Home / 497,966.20-745,965.15-272,923.90

Finding the Fourth Proportional to 497,966.20, 745,965.15 and 272,923.90

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Solution

The fourth proportional to 497,966.20, 745,965.15 and 272,923.90 is: 408,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,966.20 : 745,965.15 = 272,923.90 : x
  2. Step 2: Convert to fraction form
    497,966.20/745,965.15 = 272,923.90/x
  3. Step 3: Cross multiply
    497,966.20x = 745,965.15 × 272,923.90
  4. Step 4: Simplify right side
    497,966.20x = 203,591,718,002.09
  5. Step 5: Solve for x
    x = 203,591,718,002.09/497,966.20
  6. Step 6: Final answer
    x = 408,846.46

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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.