Home / 497,951.20-745,942.65-272,908.90

Finding the Fourth Proportional to 497,951.20, 745,942.65 and 272,908.90

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Solution

The fourth proportional to 497,951.20, 745,942.65 and 272,908.90 is: 408,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,951.20 : 745,942.65 = 272,908.90 : x
  2. Step 2: Convert to fraction form
    497,951.20/745,942.65 = 272,908.90/x
  3. Step 3: Cross multiply
    497,951.20x = 745,942.65 × 272,908.90
  4. Step 4: Simplify right side
    497,951.20x = 203,574,388,074.59
  5. Step 5: Solve for x
    x = 203,574,388,074.59/497,951.20
  6. Step 6: Final answer
    x = 408,823.97

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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.