Home / 621,738.76-932,608.08-172,459.65

Finding the Fourth Proportional to 621,738.76, 932,608.08 and 172,459.65

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Solution

The fourth proportional to 621,738.76, 932,608.08 and 172,459.65 is: 258,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,738.76 : 932,608.08 = 172,459.65 : x
  2. Step 2: Convert to fraction form
    621,738.76/932,608.08 = 172,459.65/x
  3. Step 3: Cross multiply
    621,738.76x = 932,608.08 × 172,459.65
  4. Step 4: Simplify right side
    621,738.76x = 160,837,263,063.97
  5. Step 5: Solve for x
    x = 160,837,263,063.97/621,738.76
  6. Step 6: Final answer
    x = 258,689.46

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Double scale
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Similar ratio
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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.