Home / 1,182,171.64-1,631,398.68-672,874

Finding the Fourth Proportional to 1,182,171.64, 1,631,398.68 and 672,874

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Solution

The fourth proportional to 1,182,171.64, 1,631,398.68 and 672,874 is: 928,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,171.64 : 1,631,398.68 = 672,874 : x
  2. Step 2: Convert to fraction form
    1,182,171.64/1,631,398.68 = 672,874/x
  3. Step 3: Cross multiply
    1,182,171.64x = 1,631,398.68 × 672,874
  4. Step 4: Simplify right side
    1,182,171.64x = 1,097,725,755,406.32
  5. Step 5: Solve for x
    x = 1,097,725,755,406.32/1,182,171.64
  6. Step 6: Final answer
    x = 928,567.15

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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.