Home / 866,404.20-1,299,606.30-656,452.20

Finding the Fourth Proportional to 866,404.20, 1,299,606.30 and 656,452.20

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Solution

The fourth proportional to 866,404.20, 1,299,606.30 and 656,452.20 is: 984,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,404.20 : 1,299,606.30 = 656,452.20 : x
  2. Step 2: Convert to fraction form
    866,404.20/1,299,606.30 = 656,452.20/x
  3. Step 3: Cross multiply
    866,404.20x = 1,299,606.30 × 656,452.20
  4. Step 4: Simplify right side
    866,404.20x = 853,129,414,768.86
  5. Step 5: Solve for x
    x = 853,129,414,768.86/866,404.20
  6. Step 6: Final answer
    x = 984,678.30

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Similar ratio
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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.