Home / 413,234.60-619,195.80-272,829.20

Finding the Fourth Proportional to 413,234.60, 619,195.80 and 272,829.20

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Solution

The fourth proportional to 413,234.60, 619,195.80 and 272,829.20 is: 408,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,234.60 : 619,195.80 = 272,829.20 : x
  2. Step 2: Convert to fraction form
    413,234.60/619,195.80 = 272,829.20/x
  3. Step 3: Cross multiply
    413,234.60x = 619,195.80 × 272,829.20
  4. Step 4: Simplify right side
    413,234.60x = 168,934,694,757.36
  5. Step 5: Solve for x
    x = 168,934,694,757.36/413,234.60
  6. Step 6: Final answer
    x = 408,810.62

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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.