Home / 1,681,730.30-2,320,755.44-917,789.33

Finding the Fourth Proportional to 1,681,730.30, 2,320,755.44 and 917,789.33

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Solution

The fourth proportional to 1,681,730.30, 2,320,755.44 and 917,789.33 is: 1,266,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,730.30 : 2,320,755.44 = 917,789.33 : x
  2. Step 2: Convert to fraction form
    1,681,730.30/2,320,755.44 = 917,789.33/x
  3. Step 3: Cross multiply
    1,681,730.30x = 2,320,755.44 × 917,789.33
  4. Step 4: Simplify right side
    1,681,730.30x = 2,129,964,581,584.40
  5. Step 5: Solve for x
    x = 2,129,964,581,584.40/1,681,730.30
  6. Step 6: Final answer
    x = 1,266,531.61

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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.