Home / 413,013.60-619,520.45-146,784.62

Finding the Fourth Proportional to 413,013.60, 619,520.45 and 146,784.62

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Solution

The fourth proportional to 413,013.60, 619,520.45 and 146,784.62 is: 220,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,013.60 : 619,520.45 = 146,784.62 : x
  2. Step 2: Convert to fraction form
    413,013.60/619,520.45 = 146,784.62/x
  3. Step 3: Cross multiply
    413,013.60x = 619,520.45 × 146,784.62
  4. Step 4: Simplify right side
    413,013.60x = 90,936,074,650.36
  5. Step 5: Solve for x
    x = 90,936,074,650.36/413,013.60
  6. Step 6: Final answer
    x = 220,176.95

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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.