Home / 2,625,853.56-3,938,779.89-829,997.97

Finding the Fourth Proportional to 2,625,853.56, 3,938,779.89 and 829,997.97

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Solution

The fourth proportional to 2,625,853.56, 3,938,779.89 and 829,997.97 is: 1,244,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,853.56 : 3,938,779.89 = 829,997.97 : x
  2. Step 2: Convert to fraction form
    2,625,853.56/3,938,779.89 = 829,997.97/x
  3. Step 3: Cross multiply
    2,625,853.56x = 3,938,779.89 × 829,997.97
  4. Step 4: Simplify right side
    2,625,853.56x = 3,269,179,312,976.82
  5. Step 5: Solve for x
    x = 3,269,179,312,976.82/2,625,853.56
  6. Step 6: Final answer
    x = 1,244,996.81

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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.