Home / 1,857,850.62-2,786,107.17-643,097.17

Finding the Fourth Proportional to 1,857,850.62, 2,786,107.17 and 643,097.17

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Solution

The fourth proportional to 1,857,850.62, 2,786,107.17 and 643,097.17 is: 964,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,850.62 : 2,786,107.17 = 643,097.17 : x
  2. Step 2: Convert to fraction form
    1,857,850.62/2,786,107.17 = 643,097.17/x
  3. Step 3: Cross multiply
    1,857,850.62x = 2,786,107.17 × 643,097.17
  4. Step 4: Simplify right side
    1,857,850.62x = 1,791,737,633,128.22
  5. Step 5: Solve for x
    x = 1,791,737,633,128.22/1,857,850.62
  6. Step 6: Final answer
    x = 964,414.26

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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.