Home / 1,511,261.38-2,085,382.15-857,679.27

Finding the Fourth Proportional to 1,511,261.38, 2,085,382.15 and 857,679.27

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Solution

The fourth proportional to 1,511,261.38, 2,085,382.15 and 857,679.27 is: 1,183,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,261.38 : 2,085,382.15 = 857,679.27 : x
  2. Step 2: Convert to fraction form
    1,511,261.38/2,085,382.15 = 857,679.27/x
  3. Step 3: Cross multiply
    1,511,261.38x = 2,085,382.15 × 857,679.27
  4. Step 4: Simplify right side
    1,511,261.38x = 1,788,589,040,083.03
  5. Step 5: Solve for x
    x = 1,788,589,040,083.03/1,511,261.38
  6. Step 6: Final answer
    x = 1,183,507.41

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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.