Home / 482,917.30-724,343.55-127,923.70

Finding the Fourth Proportional to 482,917.30, 724,343.55 and 127,923.70

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Solution

The fourth proportional to 482,917.30, 724,343.55 and 127,923.70 is: 191,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,917.30 : 724,343.55 = 127,923.70 : x
  2. Step 2: Convert to fraction form
    482,917.30/724,343.55 = 127,923.70/x
  3. Step 3: Cross multiply
    482,917.30x = 724,343.55 × 127,923.70
  4. Step 4: Simplify right side
    482,917.30x = 92,660,706,987.14
  5. Step 5: Solve for x
    x = 92,660,706,987.14/482,917.30
  6. Step 6: Final answer
    x = 191,876.97

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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.