Home / 649,390.92-974,183.18-200,074.20

Finding the Fourth Proportional to 649,390.92, 974,183.18 and 200,074.20

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Solution

The fourth proportional to 649,390.92, 974,183.18 and 200,074.20 is: 300,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,390.92 : 974,183.18 = 200,074.20 : x
  2. Step 2: Convert to fraction form
    649,390.92/974,183.18 = 200,074.20/x
  3. Step 3: Cross multiply
    649,390.92x = 974,183.18 × 200,074.20
  4. Step 4: Simplify right side
    649,390.92x = 194,908,919,391.59
  5. Step 5: Solve for x
    x = 194,908,919,391.59/649,390.92
  6. Step 6: Final answer
    x = 300,141.12

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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.