Home / 649,948.10-974,919.42-176,632.11

Finding the Fourth Proportional to 649,948.10, 974,919.42 and 176,632.11

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Solution

The fourth proportional to 649,948.10, 974,919.42 and 176,632.11 is: 264,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,948.10 : 974,919.42 = 176,632.11 : x
  2. Step 2: Convert to fraction form
    649,948.10/974,919.42 = 176,632.11/x
  3. Step 3: Cross multiply
    649,948.10x = 974,919.42 × 176,632.11
  4. Step 4: Simplify right side
    649,948.10x = 172,202,074,234.58
  5. Step 5: Solve for x
    x = 172,202,074,234.58/649,948.10
  6. Step 6: Final answer
    x = 264,947.43

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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.