Home / 1,192,129.20-1,645,013.88-682,853.04

Finding the Fourth Proportional to 1,192,129.20, 1,645,013.88 and 682,853.04

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Solution

The fourth proportional to 1,192,129.20, 1,645,013.88 and 682,853.04 is: 942,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,129.20 : 1,645,013.88 = 682,853.04 : x
  2. Step 2: Convert to fraction form
    1,192,129.20/1,645,013.88 = 682,853.04/x
  3. Step 3: Cross multiply
    1,192,129.20x = 1,645,013.88 × 682,853.04
  4. Step 4: Simplify right side
    1,192,129.20x = 1,123,302,728,800.20
  5. Step 5: Solve for x
    x = 1,123,302,728,800.20/1,192,129.20
  6. Step 6: Final answer
    x = 942,265.93

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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.