Home / 747,737.80-1,121,606.70-482,017.30

Finding the Fourth Proportional to 747,737.80, 1,121,606.70 and 482,017.30

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Solution

The fourth proportional to 747,737.80, 1,121,606.70 and 482,017.30 is: 723,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,737.80 : 1,121,606.70 = 482,017.30 : x
  2. Step 2: Convert to fraction form
    747,737.80/1,121,606.70 = 482,017.30/x
  3. Step 3: Cross multiply
    747,737.80x = 1,121,606.70 × 482,017.30
  4. Step 4: Simplify right side
    747,737.80x = 540,633,833,195.91
  5. Step 5: Solve for x
    x = 540,633,833,195.91/747,737.80
  6. Step 6: Final answer
    x = 723,025.95

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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.