Home / 621,631.41-932,447.16-172,352.29

Finding the Fourth Proportional to 621,631.41, 932,447.16 and 172,352.29

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Solution

The fourth proportional to 621,631.41, 932,447.16 and 172,352.29 is: 258,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,631.41 : 932,447.16 = 172,352.29 : x
  2. Step 2: Convert to fraction form
    621,631.41/932,447.16 = 172,352.29/x
  3. Step 3: Cross multiply
    621,631.41x = 932,447.16 × 172,352.29
  4. Step 4: Simplify right side
    621,631.41x = 160,709,402,262.48
  5. Step 5: Solve for x
    x = 160,709,402,262.48/621,631.41
  6. Step 6: Final answer
    x = 258,528.44

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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.