Home / 2,155,748.60-3,233,622.90-639,486.20

Finding the Fourth Proportional to 2,155,748.60, 3,233,622.90 and 639,486.20

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Solution

The fourth proportional to 2,155,748.60, 3,233,622.90 and 639,486.20 is: 959,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,748.60 : 3,233,622.90 = 639,486.20 : x
  2. Step 2: Convert to fraction form
    2,155,748.60/3,233,622.90 = 639,486.20/x
  3. Step 3: Cross multiply
    2,155,748.60x = 3,233,622.90 × 639,486.20
  4. Step 4: Simplify right side
    2,155,748.60x = 2,067,857,220,553.98
  5. Step 5: Solve for x
    x = 2,067,857,220,553.98/2,155,748.60
  6. Step 6: Final answer
    x = 959,229.30

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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.