Home / 497,721.38-746,584.90-123,744.38

Finding the Fourth Proportional to 497,721.38, 746,584.90 and 123,744.38

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Solution

The fourth proportional to 497,721.38, 746,584.90 and 123,744.38 is: 185,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,721.38 : 746,584.90 = 123,744.38 : x
  2. Step 2: Convert to fraction form
    497,721.38/746,584.90 = 123,744.38/x
  3. Step 3: Cross multiply
    497,721.38x = 746,584.90 × 123,744.38
  4. Step 4: Simplify right side
    497,721.38x = 92,385,681,525.58
  5. Step 5: Solve for x
    x = 92,385,681,525.58/497,721.38
  6. Step 6: Final answer
    x = 185,617.27

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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.