Home / 1,633,140.11-2,253,859.60-979,790.61

Finding the Fourth Proportional to 1,633,140.11, 2,253,859.60 and 979,790.61

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Solution

The fourth proportional to 1,633,140.11, 2,253,859.60 and 979,790.61 is: 1,352,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,140.11 : 2,253,859.60 = 979,790.61 : x
  2. Step 2: Convert to fraction form
    1,633,140.11/2,253,859.60 = 979,790.61/x
  3. Step 3: Cross multiply
    1,633,140.11x = 2,253,859.60 × 979,790.61
  4. Step 4: Simplify right side
    1,633,140.11x = 2,208,310,472,338.36
  5. Step 5: Solve for x
    x = 2,208,310,472,338.36/1,633,140.11
  6. Step 6: Final answer
    x = 1,352,186.78

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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.