Home / 497,936.20-745,920.15-272,893.90

Finding the Fourth Proportional to 497,936.20, 745,920.15 and 272,893.90

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Solution

The fourth proportional to 497,936.20, 745,920.15 and 272,893.90 is: 408,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,936.20 : 745,920.15 = 272,893.90 : x
  2. Step 2: Convert to fraction form
    497,936.20/745,920.15 = 272,893.90/x
  3. Step 3: Cross multiply
    497,936.20x = 745,920.15 × 272,893.90
  4. Step 4: Simplify right side
    497,936.20x = 203,557,058,822.09
  5. Step 5: Solve for x
    x = 203,557,058,822.09/497,936.20
  6. Step 6: Final answer
    x = 408,801.49

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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.