Home / 1,193,145.28-1,646,540.72-656,601.28

Finding the Fourth Proportional to 1,193,145.28, 1,646,540.72 and 656,601.28

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Solution

The fourth proportional to 1,193,145.28, 1,646,540.72 and 656,601.28 is: 906,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,145.28 : 1,646,540.72 = 656,601.28 : x
  2. Step 2: Convert to fraction form
    1,193,145.28/1,646,540.72 = 656,601.28/x
  3. Step 3: Cross multiply
    1,193,145.28x = 1,646,540.72 × 656,601.28
  4. Step 4: Simplify right side
    1,193,145.28x = 1,081,120,744,324.12
  5. Step 5: Solve for x
    x = 1,081,120,744,324.12/1,193,145.28
  6. Step 6: Final answer
    x = 906,109.89

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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.