Home / 463,330.20-694,995.30-456,331.80

Finding the Fourth Proportional to 463,330.20, 694,995.30 and 456,331.80

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Solution

The fourth proportional to 463,330.20, 694,995.30 and 456,331.80 is: 684,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,330.20 : 694,995.30 = 456,331.80 : x
  2. Step 2: Convert to fraction form
    463,330.20/694,995.30 = 456,331.80/x
  3. Step 3: Cross multiply
    463,330.20x = 694,995.30 × 456,331.80
  4. Step 4: Simplify right side
    463,330.20x = 317,148,456,240.54
  5. Step 5: Solve for x
    x = 317,148,456,240.54/463,330.20
  6. Step 6: Final answer
    x = 684,497.70

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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.