Home / 498,788.82-748,316.34-178,972.92

Finding the Fourth Proportional to 498,788.82, 748,316.34 and 178,972.92

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Solution

The fourth proportional to 498,788.82, 748,316.34 and 178,972.92 is: 268,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,788.82 : 748,316.34 = 178,972.92 : x
  2. Step 2: Convert to fraction form
    498,788.82/748,316.34 = 178,972.92/x
  3. Step 3: Cross multiply
    498,788.82x = 748,316.34 × 178,972.92
  4. Step 4: Simplify right side
    498,788.82x = 133,928,360,453.51
  5. Step 5: Solve for x
    x = 133,928,360,453.51/498,788.82
  6. Step 6: Final answer
    x = 268,507.14

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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.