Home / 1,642,654.60-2,266,839.39-917,512.54

Finding the Fourth Proportional to 1,642,654.60, 2,266,839.39 and 917,512.54

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Solution

The fourth proportional to 1,642,654.60, 2,266,839.39 and 917,512.54 is: 1,266,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,654.60 : 2,266,839.39 = 917,512.54 : x
  2. Step 2: Convert to fraction form
    1,642,654.60/2,266,839.39 = 917,512.54/x
  3. Step 3: Cross multiply
    1,642,654.60x = 2,266,839.39 × 917,512.54
  4. Step 4: Simplify right side
    1,642,654.60x = 2,079,853,566,490.95
  5. Step 5: Solve for x
    x = 2,079,853,566,490.95/1,642,654.60
  6. Step 6: Final answer
    x = 1,266,153.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.