Home / 765,195.90-1,147,793.85-726,704.70

Finding the Fourth Proportional to 765,195.90, 1,147,793.85 and 726,704.70

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Solution

The fourth proportional to 765,195.90, 1,147,793.85 and 726,704.70 is: 1,090,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,195.90 : 1,147,793.85 = 726,704.70 : x
  2. Step 2: Convert to fraction form
    765,195.90/1,147,793.85 = 726,704.70/x
  3. Step 3: Cross multiply
    765,195.90x = 1,147,793.85 × 726,704.70
  4. Step 4: Simplify right side
    765,195.90x = 834,107,185,426.10
  5. Step 5: Solve for x
    x = 834,107,185,426.10/765,195.90
  6. Step 6: Final answer
    x = 1,090,057.05

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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.