Home / 482,719.45-724,055.64-179,172.73

Finding the Fourth Proportional to 482,719.45, 724,055.64 and 179,172.73

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Solution

The fourth proportional to 482,719.45, 724,055.64 and 179,172.73 is: 268,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,719.45 : 724,055.64 = 179,172.73 : x
  2. Step 2: Convert to fraction form
    482,719.45/724,055.64 = 179,172.73/x
  3. Step 3: Cross multiply
    482,719.45x = 724,055.64 × 179,172.73
  4. Step 4: Simplify right side
    482,719.45x = 129,731,025,690.70
  5. Step 5: Solve for x
    x = 129,731,025,690.70/482,719.45
  6. Step 6: Final answer
    x = 268,750.36

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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.