Home / 1,087,204.11-1,501,092.30-679,489.22

Finding the Fourth Proportional to 1,087,204.11, 1,501,092.30 and 679,489.22

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Solution

The fourth proportional to 1,087,204.11, 1,501,092.30 and 679,489.22 is: 938,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,204.11 : 1,501,092.30 = 679,489.22 : x
  2. Step 2: Convert to fraction form
    1,087,204.11/1,501,092.30 = 679,489.22/x
  3. Step 3: Cross multiply
    1,087,204.11x = 1,501,092.30 × 679,489.22
  4. Step 4: Simplify right side
    1,087,204.11x = 1,019,976,042,375.82
  5. Step 5: Solve for x
    x = 1,019,976,042,375.82/1,087,204.11
  6. Step 6: Final answer
    x = 938,164.27

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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.