Home / 1,172,256.82-1,617,801.30-656,062.44

Finding the Fourth Proportional to 1,172,256.82, 1,617,801.30 and 656,062.44

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Solution

The fourth proportional to 1,172,256.82, 1,617,801.30 and 656,062.44 is: 905,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,256.82 : 1,617,801.30 = 656,062.44 : x
  2. Step 2: Convert to fraction form
    1,172,256.82/1,617,801.30 = 656,062.44/x
  3. Step 3: Cross multiply
    1,172,256.82x = 1,617,801.30 × 656,062.44
  4. Step 4: Simplify right side
    1,172,256.82x = 1,061,378,668,313.17
  5. Step 5: Solve for x
    x = 1,061,378,668,313.17/1,172,256.82
  6. Step 6: Final answer
    x = 905,414.79

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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.