The phrase "a proportion of one" is correct and usable in written English.
It can be used in contexts where you are discussing ratios, fractions, or comparisons, particularly in mathematical or statistical discussions.
Example: "In this study, we found that a proportion of one was indicative of a perfect correlation between the two variables."
Alternatives: "a ratio of one" or "a fraction of one".
Using both basils, in a proportion of one to one, added the mysterious note of cinnamon and sandalwood we were after without upsetting the balance.
An alloy described in an 11th-century Greek manuscript in the library of St. Mark's, Venice, cites a proportion of one pound copper to two ounces of tin (8 to 1), approximately that used for bronze gunmetal in later times.
For example, the cost of food as a proportion of one's income is a mere fraction of what it was decades ago.
The general idea is that the act of giving Zakat is a purification of one's possessions by putting aside a proportion of one's income for those in need.
We observe that for completely opaque dots, the amount of light power concentrated in the central peak of the PSF is only 58.6% with a proportion of one absent dot out of every 16.
Affordability is illustrated in Figure 2 with ratios of the lowest price of toothpaste as a proportion of one workday of per capita income for all brands for the four income distribution levels.
The portfolio should be rebalanced — restored to a proportion of one-third each — once a year.
19 A sample size >700 participants with a proportion of one-third of cases in the training set was defined to precisely estimate negative predictive value (NPV) >0.95 as well as PPV >0.50, setting α at 0.05 and β at 0.8, as proposed by Steinberg et al 20 for case control diagnostic studies.
A proportion of about one quarter of breast cancer cases can be linked to largely modifiable such as lifestyle and environmental factors [10].
The overall number of firms is shrinking, and the rate at which new companies are born as a proportion of existing ones is less than half that in America and Britain.
Concepts of continuity include having a usual place for healthcare, having a usual physician and actually having a greater proportion of one's visits with a particular physician [ 4- 6].
