Home / 784,835.80-1,177,253.70-731,691.70

Finding the Fourth Proportional to 784,835.80, 1,177,253.70 and 731,691.70

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Solution

The fourth proportional to 784,835.80, 1,177,253.70 and 731,691.70 is: 1,097,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,835.80 : 1,177,253.70 = 731,691.70 : x
  2. Step 2: Convert to fraction form
    784,835.80/1,177,253.70 = 731,691.70/x
  3. Step 3: Cross multiply
    784,835.80x = 1,177,253.70 × 731,691.70
  4. Step 4: Simplify right side
    784,835.80x = 861,386,761,084.29
  5. Step 5: Solve for x
    x = 861,386,761,084.29/784,835.80
  6. Step 6: Final answer
    x = 1,097,537.55

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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.