Home / 649,358.20-974,037.30-531,260.20

Finding the Fourth Proportional to 649,358.20, 974,037.30 and 531,260.20

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Solution

The fourth proportional to 649,358.20, 974,037.30 and 531,260.20 is: 796,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,358.20 : 974,037.30 = 531,260.20 : x
  2. Step 2: Convert to fraction form
    649,358.20/974,037.30 = 531,260.20/x
  3. Step 3: Cross multiply
    649,358.20x = 974,037.30 × 531,260.20
  4. Step 4: Simplify right side
    649,358.20x = 517,467,250,805.46
  5. Step 5: Solve for x
    x = 517,467,250,805.46/649,358.20
  6. Step 6: Final answer
    x = 796,890.30

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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.