Home / 1,418,006.09-1,957,013.85-806,250.52

Finding the Fourth Proportional to 1,418,006.09, 1,957,013.85 and 806,250.52

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Solution

The fourth proportional to 1,418,006.09, 1,957,013.85 and 806,250.52 is: 1,112,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,006.09 : 1,957,013.85 = 806,250.52 : x
  2. Step 2: Convert to fraction form
    1,418,006.09/1,957,013.85 = 806,250.52/x
  3. Step 3: Cross multiply
    1,418,006.09x = 1,957,013.85 × 806,250.52
  4. Step 4: Simplify right side
    1,418,006.09x = 1,577,843,439,679.41
  5. Step 5: Solve for x
    x = 1,577,843,439,679.41/1,418,006.09
  6. Step 6: Final answer
    x = 1,112,719.79

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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.