Home / 482,922.30-724,351.05-127,928.70

Finding the Fourth Proportional to 482,922.30, 724,351.05 and 127,928.70

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Solution

The fourth proportional to 482,922.30, 724,351.05 and 127,928.70 is: 191,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,922.30 : 724,351.05 = 127,928.70 : x
  2. Step 2: Convert to fraction form
    482,922.30/724,351.05 = 127,928.70/x
  3. Step 3: Cross multiply
    482,922.30x = 724,351.05 × 127,928.70
  4. Step 4: Simplify right side
    482,922.30x = 92,665,288,170.14
  5. Step 5: Solve for x
    x = 92,665,288,170.14/482,922.30
  6. Step 6: Final answer
    x = 191,884.47

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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.