Home / 1,112,177.88-1,534,789.20-628,727.04

Finding the Fourth Proportional to 1,112,177.88, 1,534,789.20 and 628,727.04

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Solution

The fourth proportional to 1,112,177.88, 1,534,789.20 and 628,727.04 is: 867,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,177.88 : 1,534,789.20 = 628,727.04 : x
  2. Step 2: Convert to fraction form
    1,112,177.88/1,534,789.20 = 628,727.04/x
  3. Step 3: Cross multiply
    1,112,177.88x = 1,534,789.20 × 628,727.04
  4. Step 4: Simplify right side
    1,112,177.88x = 964,963,470,739.97
  5. Step 5: Solve for x
    x = 964,963,470,739.97/1,112,177.88
  6. Step 6: Final answer
    x = 867,634.12

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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.