Home / 482,961.80-724,439.10-146,001.80

Finding the Fourth Proportional to 482,961.80, 724,439.10 and 146,001.80

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Solution

The fourth proportional to 482,961.80, 724,439.10 and 146,001.80 is: 219,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,961.80 : 724,439.10 = 146,001.80 : x
  2. Step 2: Convert to fraction form
    482,961.80/724,439.10 = 146,001.80/x
  3. Step 3: Cross multiply
    482,961.80x = 724,439.10 × 146,001.80
  4. Step 4: Simplify right side
    482,961.80x = 105,769,412,590.38
  5. Step 5: Solve for x
    x = 105,769,412,590.38/482,961.80
  6. Step 6: Final answer
    x = 219,001.61

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1.5x scale

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.