Home / 726,937.20-1,091,572.20-491,324.40

Finding the Fourth Proportional to 726,937.20, 1,091,572.20 and 491,324.40

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Solution

The fourth proportional to 726,937.20, 1,091,572.20 and 491,324.40 is: 737,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,937.20 : 1,091,572.20 = 491,324.40 : x
  2. Step 2: Convert to fraction form
    726,937.20/1,091,572.20 = 491,324.40/x
  3. Step 3: Cross multiply
    726,937.20x = 1,091,572.20 × 491,324.40
  4. Step 4: Simplify right side
    726,937.20x = 536,316,056,221.68
  5. Step 5: Solve for x
    x = 536,316,056,221.68/726,937.20
  6. Step 6: Final answer
    x = 737,774.95

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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.