Home / 482,919.30-724,346.55-127,925.70

Finding the Fourth Proportional to 482,919.30, 724,346.55 and 127,925.70

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Solution

The fourth proportional to 482,919.30, 724,346.55 and 127,925.70 is: 191,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,919.30 : 724,346.55 = 127,925.70 : x
  2. Step 2: Convert to fraction form
    482,919.30/724,346.55 = 127,925.70/x
  3. Step 3: Cross multiply
    482,919.30x = 724,346.55 × 127,925.70
  4. Step 4: Simplify right side
    482,919.30x = 92,662,539,451.34
  5. Step 5: Solve for x
    x = 92,662,539,451.34/482,919.30
  6. Step 6: Final answer
    x = 191,879.97

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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.