Home / 1,511,689.41-2,086,131.38-832,625.91

Finding the Fourth Proportional to 1,511,689.41, 2,086,131.38 and 832,625.91

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Solution

The fourth proportional to 1,511,689.41, 2,086,131.38 and 832,625.91 is: 1,149,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,689.41 : 2,086,131.38 = 832,625.91 : x
  2. Step 2: Convert to fraction form
    1,511,689.41/2,086,131.38 = 832,625.91/x
  3. Step 3: Cross multiply
    1,511,689.41x = 2,086,131.38 × 832,625.91
  4. Step 4: Simplify right side
    1,511,689.41x = 1,736,967,034,488.93
  5. Step 5: Solve for x
    x = 1,736,967,034,488.93/1,511,689.41
  6. Step 6: Final answer
    x = 1,149,023.75

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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.