Home / 1,087,853.45-1,632,488.13-413,940.33

Finding the Fourth Proportional to 1,087,853.45, 1,632,488.13 and 413,940.33

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Solution

The fourth proportional to 1,087,853.45, 1,632,488.13 and 413,940.33 is: 621,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,853.45 : 1,632,488.13 = 413,940.33 : x
  2. Step 2: Convert to fraction form
    1,087,853.45/1,632,488.13 = 413,940.33/x
  3. Step 3: Cross multiply
    1,087,853.45x = 1,632,488.13 × 413,940.33
  4. Step 4: Simplify right side
    1,087,853.45x = 675,752,675,253.28
  5. Step 5: Solve for x
    x = 675,752,675,253.28/1,087,853.45
  6. Step 6: Final answer
    x = 621,179.88

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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.