Home / 724,583.68-1,086,874.80-475,207.36

Finding the Fourth Proportional to 724,583.68, 1,086,874.80 and 475,207.36

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Solution

The fourth proportional to 724,583.68, 1,086,874.80 and 475,207.36 is: 712,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,583.68 : 1,086,874.80 = 475,207.36 : x
  2. Step 2: Convert to fraction form
    724,583.68/1,086,874.80 = 475,207.36/x
  3. Step 3: Cross multiply
    724,583.68x = 1,086,874.80 × 475,207.36
  4. Step 4: Simplify right side
    724,583.68x = 516,490,904,358.53
  5. Step 5: Solve for x
    x = 516,490,904,358.53/724,583.68
  6. Step 6: Final answer
    x = 712,810.57

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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.