Home / 1,561,686.03-2,155,114.56-873,358.95

Finding the Fourth Proportional to 1,561,686.03, 2,155,114.56 and 873,358.95

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Solution

The fourth proportional to 1,561,686.03, 2,155,114.56 and 873,358.95 is: 1,205,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,686.03 : 2,155,114.56 = 873,358.95 : x
  2. Step 2: Convert to fraction form
    1,561,686.03/2,155,114.56 = 873,358.95/x
  3. Step 3: Cross multiply
    1,561,686.03x = 2,155,114.56 × 873,358.95
  4. Step 4: Simplify right side
    1,561,686.03x = 1,882,188,589,251.31
  5. Step 5: Solve for x
    x = 1,882,188,589,251.31/1,561,686.03
  6. Step 6: Final answer
    x = 1,205,228.55

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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.