Home / 461,330.60-691,995.90-283,260.20

Finding the Fourth Proportional to 461,330.60, 691,995.90 and 283,260.20

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Solution

The fourth proportional to 461,330.60, 691,995.90 and 283,260.20 is: 424,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,330.60 : 691,995.90 = 283,260.20 : x
  2. Step 2: Convert to fraction form
    461,330.60/691,995.90 = 283,260.20/x
  3. Step 3: Cross multiply
    461,330.60x = 691,995.90 × 283,260.20
  4. Step 4: Simplify right side
    461,330.60x = 196,014,897,033.18
  5. Step 5: Solve for x
    x = 196,014,897,033.18/461,330.60
  6. Step 6: Final answer
    x = 424,890.30

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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.