Home / 482,799.40-724,199.10-127,849.30

Finding the Fourth Proportional to 482,799.40, 724,199.10 and 127,849.30

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Solution

The fourth proportional to 482,799.40, 724,199.10 and 127,849.30 is: 191,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,799.40 : 724,199.10 = 127,849.30 : x
  2. Step 2: Convert to fraction form
    482,799.40/724,199.10 = 127,849.30/x
  3. Step 3: Cross multiply
    482,799.40x = 724,199.10 × 127,849.30
  4. Step 4: Simplify right side
    482,799.40x = 92,588,347,995.63
  5. Step 5: Solve for x
    x = 92,588,347,995.63/482,799.40
  6. Step 6: Final answer
    x = 191,773.95

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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.