Home / 656,334.10-984,501.15-443,757.70

Finding the Fourth Proportional to 656,334.10, 984,501.15 and 443,757.70

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Solution

The fourth proportional to 656,334.10, 984,501.15 and 443,757.70 is: 665,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,334.10 : 984,501.15 = 443,757.70 : x
  2. Step 2: Convert to fraction form
    656,334.10/984,501.15 = 443,757.70/x
  3. Step 3: Cross multiply
    656,334.10x = 984,501.15 × 443,757.70
  4. Step 4: Simplify right side
    656,334.10x = 436,879,965,971.36
  5. Step 5: Solve for x
    x = 436,879,965,971.36/656,334.10
  6. Step 6: Final answer
    x = 665,636.55

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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.