Home / 482,720.45-724,057.14-179,173.73

Finding the Fourth Proportional to 482,720.45, 724,057.14 and 179,173.73

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Solution

The fourth proportional to 482,720.45, 724,057.14 and 179,173.73 is: 268,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,720.45 : 724,057.14 = 179,173.73 : x
  2. Step 2: Convert to fraction form
    482,720.45/724,057.14 = 179,173.73/x
  3. Step 3: Cross multiply
    482,720.45x = 724,057.14 × 179,173.73
  4. Step 4: Simplify right side
    482,720.45x = 129,732,018,506.93
  5. Step 5: Solve for x
    x = 129,732,018,506.93/482,720.45
  6. Step 6: Final answer
    x = 268,751.86

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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.