Home / 731,569.70-1,098,229.35-411,976.10

Finding the Fourth Proportional to 731,569.70, 1,098,229.35 and 411,976.10

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Solution

The fourth proportional to 731,569.70, 1,098,229.35 and 411,976.10 is: 618,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,569.70 : 1,098,229.35 = 411,976.10 : x
  2. Step 2: Convert to fraction form
    731,569.70/1,098,229.35 = 411,976.10/x
  3. Step 3: Cross multiply
    731,569.70x = 1,098,229.35 × 411,976.10
  4. Step 4: Simplify right side
    731,569.70x = 452,444,244,518.54
  5. Step 5: Solve for x
    x = 452,444,244,518.54/731,569.70
  6. Step 6: Final answer
    x = 618,456.78

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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.