Finding the Fourth Proportional to 575,919.94, 794,764.10 and 317,799.26
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Solution
The fourth proportional to 575,919.94, 794,764.10 and 317,799.26 is: 438,559.99
Step by Step Solution
- Step 1: Write the proportion equation
575,919.94 : 794,764.10 = 317,799.26 : x - Step 2: Convert to fraction form
575,919.94/794,764.10 = 317,799.26/x - Step 3: Cross multiply
575,919.94x = 794,764.10 × 317,799.26 - Step 4: Simplify right side
575,919.94x = 252,575,442,854.57 - Step 5: Solve for x
x = 252,575,442,854.57/575,919.94 - Step 6: Final answer
x = 438,559.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.