Home / 1,171,504.28-1,755,250.46-639,398.68

Finding the Fourth Proportional to 1,171,504.28, 1,755,250.46 and 639,398.68

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Solution

The fourth proportional to 1,171,504.28, 1,755,250.46 and 639,398.68 is: 958,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,504.28 : 1,755,250.46 = 639,398.68 : x
  2. Step 2: Convert to fraction form
    1,171,504.28/1,755,250.46 = 639,398.68/x
  3. Step 3: Cross multiply
    1,171,504.28x = 1,755,250.46 × 639,398.68
  4. Step 4: Simplify right side
    1,171,504.28x = 1,122,304,822,006.02
  5. Step 5: Solve for x
    x = 1,122,304,822,006.02/1,171,504.28
  6. Step 6: Final answer
    x = 958,003.17

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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.