Home / 1,139,793.60-1,572,778.14-656,515.92

Finding the Fourth Proportional to 1,139,793.60, 1,572,778.14 and 656,515.92

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Solution

The fourth proportional to 1,139,793.60, 1,572,778.14 and 656,515.92 is: 905,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,793.60 : 1,572,778.14 = 656,515.92 : x
  2. Step 2: Convert to fraction form
    1,139,793.60/1,572,778.14 = 656,515.92/x
  3. Step 3: Cross multiply
    1,139,793.60x = 1,572,778.14 × 656,515.92
  4. Step 4: Simplify right side
    1,139,793.60x = 1,032,553,887,537.99
  5. Step 5: Solve for x
    x = 1,032,553,887,537.99/1,139,793.60
  6. Step 6: Final answer
    x = 905,913.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.