Home / 1,191,197.98-1,644,236.31-762,632.38

Finding the Fourth Proportional to 1,191,197.98, 1,644,236.31 and 762,632.38

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Solution

The fourth proportional to 1,191,197.98, 1,644,236.31 and 762,632.38 is: 1,052,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,197.98 : 1,644,236.31 = 762,632.38 : x
  2. Step 2: Convert to fraction form
    1,191,197.98/1,644,236.31 = 762,632.38/x
  3. Step 3: Cross multiply
    1,191,197.98x = 1,644,236.31 × 762,632.38
  4. Step 4: Simplify right side
    1,191,197.98x = 1,253,947,850,377.72
  5. Step 5: Solve for x
    x = 1,253,947,850,377.72/1,191,197.98
  6. Step 6: Final answer
    x = 1,052,677.95

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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.