Home / 1,282,042.43-1,923,179.49-371,211.61

Finding the Fourth Proportional to 1,282,042.43, 1,923,179.49 and 371,211.61

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Solution

The fourth proportional to 1,282,042.43, 1,923,179.49 and 371,211.61 is: 556,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,042.43 : 1,923,179.49 = 371,211.61 : x
  2. Step 2: Convert to fraction form
    1,282,042.43/1,923,179.49 = 371,211.61/x
  3. Step 3: Cross multiply
    1,282,042.43x = 1,923,179.49 × 371,211.61
  4. Step 4: Simplify right side
    1,282,042.43x = 713,906,553,599.89
  5. Step 5: Solve for x
    x = 713,906,553,599.89/1,282,042.43
  6. Step 6: Final answer
    x = 556,850.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.