Home / 866,314.20-1,299,471.30-656,362.20

Finding the Fourth Proportional to 866,314.20, 1,299,471.30 and 656,362.20

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Solution

The fourth proportional to 866,314.20, 1,299,471.30 and 656,362.20 is: 984,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,314.20 : 1,299,471.30 = 656,362.20 : x
  2. Step 2: Convert to fraction form
    866,314.20/1,299,471.30 = 656,362.20/x
  3. Step 3: Cross multiply
    866,314.20x = 1,299,471.30 × 656,362.20
  4. Step 4: Simplify right side
    866,314.20x = 852,923,841,304.86
  5. Step 5: Solve for x
    x = 852,923,841,304.86/866,314.20
  6. Step 6: Final answer
    x = 984,543.30

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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.