The phrase "a cost of approximately" is correct and usable in written English.
It can be used when discussing an estimated expense or price related to a product, service, or project.
Example: "The project will incur a cost of approximately $5,000, which includes materials and labor."
Alternatives: "an estimated cost of" or "a price of about".
Britain's Department for International Development (DfID) funds the Metropolitan police's proceeds of corruption unit (POCU), which investigated the case, at a cost of approximately £750,000 a year.
The project was financed by Henry Ford at a cost of approximately half a million dollars.
The ministry has four drones, first introduced in 2012 at a cost of approximately $1.3m8m8m renminbi), according to Yang Yipeng, a ministry official.
Plastic surgical procedures are on a sharp rise, up 173percentt from 1997 to 2000, according to the society, at a cost of approximately $7.4 billion to consumers.
"In fact," Mr. Vilsack said in a statement, "the contract in question purchased 760,000 pounds of ham for $1.191 million, at a cost of approximately $1.50 per pound".
The nursing home administrator insisted that we hire additional round-the-clock care, at a cost of approximately $500 a day, over and above the $7,000 per month regular charge.
We went to Orgreave to fight to save our industry from what has since been revealed, following the release of cabinet papers in January 2014, as a government plan to kill off the coal mining industry, close 75 pits at a cost of approximately 75,000 jobs, and destroy the National Union of Mineworkers.
In his book, Breaking the Vicious Circle, supreme court justice Steven Breyer cites the low cost-effectiveness of the EPA's ban of asbestos pipe, shingles, coating and paper, which the most optimistic estimates suggested would prevent seven or eight premature deaths over 13 years – at a cost of approximately $250m.
In January, visitors got a first glimpse inside the City of Culture, a sprawling complex designed by the American architect Peter Eisenman that has been under construction for 10 years, at a cost of approximately 400 million euros (about $557 million).
A player hoping to get a college scholarship might work with Chapman and his partner, John Smith, for eight or nine months at a cost of approximately $5,000, Chapman said; a player looking to make the N.F.L. might pay closer to $10,000 and spend nearly a year in training.
Mathematical models show that needle exchange programs prevent H.I.V. infections among drug users, their partners and family members at a cost of approximately $9,400 per avoided H.I.V. infection — compared with the lifetime cost of treating a person living with H.I.V./AIDS, approximately $200,000.
