Home / 2,625,854.06-3,938,780.64-829,998.47

Finding the Fourth Proportional to 2,625,854.06, 3,938,780.64 and 829,998.47

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Solution

The fourth proportional to 2,625,854.06, 3,938,780.64 and 829,998.47 is: 1,244,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,854.06 : 3,938,780.64 = 829,998.47 : x
  2. Step 2: Convert to fraction form
    2,625,854.06/3,938,780.64 = 829,998.47/x
  3. Step 3: Cross multiply
    2,625,854.06x = 3,938,780.64 × 829,998.47
  4. Step 4: Simplify right side
    2,625,854.06x = 3,269,181,904,865.62
  5. Step 5: Solve for x
    x = 3,269,181,904,865.62/2,625,854.06
  6. Step 6: Final answer
    x = 1,244,997.56

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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.