Home / 1,193,121.38-1,646,507.78-656,577.38

Finding the Fourth Proportional to 1,193,121.38, 1,646,507.78 and 656,577.38

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Solution

The fourth proportional to 1,193,121.38, 1,646,507.78 and 656,577.38 is: 906,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,121.38 : 1,646,507.78 = 656,577.38 : x
  2. Step 2: Convert to fraction form
    1,193,121.38/1,646,507.78 = 656,577.38/x
  3. Step 3: Cross multiply
    1,193,121.38x = 1,646,507.78 × 656,577.38
  4. Step 4: Simplify right side
    1,193,121.38x = 1,081,059,752,826.59
  5. Step 5: Solve for x
    x = 1,081,059,752,826.59/1,193,121.38
  6. Step 6: Final answer
    x = 906,076.93

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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.