Home / 980,399.92-1,352,922.41-544,815.80

Finding the Fourth Proportional to 980,399.92, 1,352,922.41 and 544,815.80

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Solution

The fourth proportional to 980,399.92, 1,352,922.41 and 544,815.80 is: 751,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,399.92 : 1,352,922.41 = 544,815.80 : x
  2. Step 2: Convert to fraction form
    980,399.92/1,352,922.41 = 544,815.80/x
  3. Step 3: Cross multiply
    980,399.92x = 1,352,922.41 × 544,815.80
  4. Step 4: Simplify right side
    980,399.92x = 737,093,502,418.00
  5. Step 5: Solve for x
    x = 737,093,502,418.00/980,399.92
  6. Step 6: Final answer
    x = 751,829.42

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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.