Home / 798,418.44-1,101,809.88-492,372.48

Finding the Fourth Proportional to 798,418.44, 1,101,809.88 and 492,372.48

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Solution

The fourth proportional to 798,418.44, 1,101,809.88 and 492,372.48 is: 679,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,418.44 : 1,101,809.88 = 492,372.48 : x
  2. Step 2: Convert to fraction form
    798,418.44/1,101,809.88 = 492,372.48/x
  3. Step 3: Cross multiply
    798,418.44x = 1,101,809.88 × 492,372.48
  4. Step 4: Simplify right side
    798,418.44x = 542,500,863,104.10
  5. Step 5: Solve for x
    x = 542,500,863,104.10/798,418.44
  6. Step 6: Final answer
    x = 679,469.36

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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.