Home / 621,823.11-932,630.32-172,589.61

Finding the Fourth Proportional to 621,823.11, 932,630.32 and 172,589.61

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Solution

The fourth proportional to 621,823.11, 932,630.32 and 172,589.61 is: 258,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,823.11 : 932,630.32 = 172,589.61 : x
  2. Step 2: Convert to fraction form
    621,823.11/932,630.32 = 172,589.61/x
  3. Step 3: Cross multiply
    621,823.11x = 932,630.32 × 172,589.61
  4. Step 4: Simplify right side
    621,823.11x = 160,962,306,916.08
  5. Step 5: Solve for x
    x = 160,962,306,916.08/621,823.11
  6. Step 6: Final answer
    x = 258,855.46

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1.5x scale

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.