Home / 754,471.67-1,131,691.10-354,890.97

Finding the Fourth Proportional to 754,471.67, 1,131,691.10 and 354,890.97

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Solution

The fourth proportional to 754,471.67, 1,131,691.10 and 354,890.97 is: 532,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,471.67 : 1,131,691.10 = 354,890.97 : x
  2. Step 2: Convert to fraction form
    754,471.67/1,131,691.10 = 354,890.97/x
  3. Step 3: Cross multiply
    754,471.67x = 1,131,691.10 × 354,890.97
  4. Step 4: Simplify right side
    754,471.67x = 401,626,950,444.91
  5. Step 5: Solve for x
    x = 401,626,950,444.91/754,471.67
  6. Step 6: Final answer
    x = 532,328.74

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Double scale
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Similar ratio
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1.5x scale

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.