Home / 994,054.20-1,491,081.30-639,468.60

Finding the Fourth Proportional to 994,054.20, 1,491,081.30 and 639,468.60

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Solution

The fourth proportional to 994,054.20, 1,491,081.30 and 639,468.60 is: 959,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,054.20 : 1,491,081.30 = 639,468.60 : x
  2. Step 2: Convert to fraction form
    994,054.20/1,491,081.30 = 639,468.60/x
  3. Step 3: Cross multiply
    994,054.20x = 1,491,081.30 × 639,468.60
  4. Step 4: Simplify right side
    994,054.20x = 953,499,671,397.18
  5. Step 5: Solve for x
    x = 953,499,671,397.18/994,054.20
  6. Step 6: Final answer
    x = 959,202.90

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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.