Home / 664,344.20-996,516.30-629,352.20

Finding the Fourth Proportional to 664,344.20, 996,516.30 and 629,352.20

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Solution

The fourth proportional to 664,344.20, 996,516.30 and 629,352.20 is: 944,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,344.20 : 996,516.30 = 629,352.20 : x
  2. Step 2: Convert to fraction form
    664,344.20/996,516.30 = 629,352.20/x
  3. Step 3: Cross multiply
    664,344.20x = 996,516.30 × 629,352.20
  4. Step 4: Simplify right side
    664,344.20x = 627,159,725,740.86
  5. Step 5: Solve for x
    x = 627,159,725,740.86/664,344.20
  6. Step 6: Final answer
    x = 944,028.30

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Half scale
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Double scale
Find fourth proportional to 664,345.20, 996,517.80 and 629,353.20
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.