Home / 621,929.65-932,899.67-172,685.56

Finding the Fourth Proportional to 621,929.65, 932,899.67 and 172,685.56

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Solution

The fourth proportional to 621,929.65, 932,899.67 and 172,685.56 is: 259,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,929.65 : 932,899.67 = 172,685.56 : x
  2. Step 2: Convert to fraction form
    621,929.65/932,899.67 = 172,685.56/x
  3. Step 3: Cross multiply
    621,929.65x = 932,899.67 × 172,685.56
  4. Step 4: Simplify right side
    621,929.65x = 161,098,301,937.77
  5. Step 5: Solve for x
    x = 161,098,301,937.77/621,929.65
  6. Step 6: Final answer
    x = 259,029.78

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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.