Home / 621,327.03-932,171.99-247,405.11

Finding the Fourth Proportional to 621,327.03, 932,171.99 and 247,405.11

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Solution

The fourth proportional to 621,327.03, 932,171.99 and 247,405.11 is: 371,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,327.03 : 932,171.99 = 247,405.11 : x
  2. Step 2: Convert to fraction form
    621,327.03/932,171.99 = 247,405.11/x
  3. Step 3: Cross multiply
    621,327.03x = 932,171.99 × 247,405.11
  4. Step 4: Simplify right side
    621,327.03x = 230,624,112,487.84
  5. Step 5: Solve for x
    x = 230,624,112,487.84/621,327.03
  6. Step 6: Final answer
    x = 371,179.91

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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.