Home / 621,929.15-932,898.92-172,685.06

Finding the Fourth Proportional to 621,929.15, 932,898.92 and 172,685.06

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Solution

The fourth proportional to 621,929.15, 932,898.92 and 172,685.06 is: 259,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,929.15 : 932,898.92 = 172,685.06 : x
  2. Step 2: Convert to fraction form
    621,929.15/932,898.92 = 172,685.06/x
  3. Step 3: Cross multiply
    621,929.15x = 932,898.92 × 172,685.06
  4. Step 4: Simplify right side
    621,929.15x = 161,097,700,446.22
  5. Step 5: Solve for x
    x = 161,097,700,446.22/621,929.15
  6. Step 6: Final answer
    x = 259,029.03

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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.