Home / 656,220.20-984,330.30-443,643.80

Finding the Fourth Proportional to 656,220.20, 984,330.30 and 443,643.80

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Solution

The fourth proportional to 656,220.20, 984,330.30 and 443,643.80 is: 665,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,220.20 : 984,330.30 = 443,643.80 : x
  2. Step 2: Convert to fraction form
    656,220.20/984,330.30 = 443,643.80/x
  3. Step 3: Cross multiply
    656,220.20x = 984,330.30 × 443,643.80
  4. Step 4: Simplify right side
    656,220.20x = 436,692,034,747.14
  5. Step 5: Solve for x
    x = 436,692,034,747.14/656,220.20
  6. Step 6: Final answer
    x = 665,465.70

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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.