Home / 621,327.53-932,172.74-247,405.61

Finding the Fourth Proportional to 621,327.53, 932,172.74 and 247,405.61

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Solution

The fourth proportional to 621,327.53, 932,172.74 and 247,405.61 is: 371,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,327.53 : 932,172.74 = 247,405.61 : x
  2. Step 2: Convert to fraction form
    621,327.53/932,172.74 = 247,405.61/x
  3. Step 3: Cross multiply
    621,327.53x = 932,172.74 × 247,405.61
  4. Step 4: Simplify right side
    621,327.53x = 230,624,764,128.04
  5. Step 5: Solve for x
    x = 230,624,764,128.04/621,327.53
  6. Step 6: Final answer
    x = 371,180.66

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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.