Home / 2,634,175.20-3,951,262.80-639,631.20

Finding the Fourth Proportional to 2,634,175.20, 3,951,262.80 and 639,631.20

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Solution

The fourth proportional to 2,634,175.20, 3,951,262.80 and 639,631.20 is: 959,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,175.20 : 3,951,262.80 = 639,631.20 : x
  2. Step 2: Convert to fraction form
    2,634,175.20/3,951,262.80 = 639,631.20/x
  3. Step 3: Cross multiply
    2,634,175.20x = 3,951,262.80 × 639,631.20
  4. Step 4: Simplify right side
    2,634,175.20x = 2,527,350,966,279.36
  5. Step 5: Solve for x
    x = 2,527,350,966,279.36/2,634,175.20
  6. Step 6: Final answer
    x = 959,446.80

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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.