Home / 621,328.53-932,174.24-247,406.61

Finding the Fourth Proportional to 621,328.53, 932,174.24 and 247,406.61

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Solution

The fourth proportional to 621,328.53, 932,174.24 and 247,406.61 is: 371,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,328.53 : 932,174.24 = 247,406.61 : x
  2. Step 2: Convert to fraction form
    621,328.53/932,174.24 = 247,406.61/x
  3. Step 3: Cross multiply
    621,328.53x = 932,174.24 × 247,406.61
  4. Step 4: Simplify right side
    621,328.53x = 230,626,068,647.73
  5. Step 5: Solve for x
    x = 230,626,068,647.73/621,328.53
  6. Step 6: Final answer
    x = 371,182.16

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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.