Finding the Fourth Proportional to 1,720,751.11, 2,578,801.55 and 655,211.91
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Solution
The fourth proportional to 1,720,751.11, 2,578,801.55 and 655,211.91 is: 981,932.52
Step by Step Solution
- Step 1: Write the proportion equation
1,720,751.11 : 2,578,801.55 = 655,211.91 : x - Step 2: Convert to fraction form
1,720,751.11/2,578,801.55 = 655,211.91/x - Step 3: Cross multiply
1,720,751.11x = 2,578,801.55 × 655,211.91 - Step 4: Simplify right side
1,720,751.11x = 1,689,661,476,139.90 - Step 5: Solve for x
x = 1,689,661,476,139.90/1,720,751.11 - Step 6: Final answer
x = 981,932.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.