Home / 1,394,179.20-2,091,560.40-447,645.60

Finding the Fourth Proportional to 1,394,179.20, 2,091,560.40 and 447,645.60

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Solution

The fourth proportional to 1,394,179.20, 2,091,560.40 and 447,645.60 is: 671,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,179.20 : 2,091,560.40 = 447,645.60 : x
  2. Step 2: Convert to fraction form
    1,394,179.20/2,091,560.40 = 447,645.60/x
  3. Step 3: Cross multiply
    1,394,179.20x = 2,091,560.40 × 447,645.60
  4. Step 4: Simplify right side
    1,394,179.20x = 936,277,810,194.24
  5. Step 5: Solve for x
    x = 936,277,810,194.24/1,394,179.20
  6. Step 6: Final answer
    x = 671,562.03

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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.