Home / 1,192,155.85-1,645,218.27-682,956.64

Finding the Fourth Proportional to 1,192,155.85, 1,645,218.27 and 682,956.64

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Solution

The fourth proportional to 1,192,155.85, 1,645,218.27 and 682,956.64 is: 942,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,155.85 : 1,645,218.27 = 682,956.64 : x
  2. Step 2: Convert to fraction form
    1,192,155.85/1,645,218.27 = 682,956.64/x
  3. Step 3: Cross multiply
    1,192,155.85x = 1,645,218.27 × 682,956.64
  4. Step 4: Simplify right side
    1,192,155.85x = 1,123,612,737,632.77
  5. Step 5: Solve for x
    x = 1,123,612,737,632.77/1,192,155.85
  6. Step 6: Final answer
    x = 942,504.91

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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.