Home / 621,738.29-932,607.34-172,459.17

Finding the Fourth Proportional to 621,738.29, 932,607.34 and 172,459.17

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Solution

The fourth proportional to 621,738.29, 932,607.34 and 172,459.17 is: 258,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,738.29 : 932,607.34 = 172,459.17 : x
  2. Step 2: Convert to fraction form
    621,738.29/932,607.34 = 172,459.17/x
  3. Step 3: Cross multiply
    621,738.29x = 932,607.34 × 172,459.17
  4. Step 4: Simplify right side
    621,738.29x = 160,836,687,792.31
  5. Step 5: Solve for x
    x = 160,836,687,792.31/621,738.29
  6. Step 6: Final answer
    x = 258,688.73

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Double scale
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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.