Home / 1,394,184.20-2,091,567.90-447,650.60

Finding the Fourth Proportional to 1,394,184.20, 2,091,567.90 and 447,650.60

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Solution

The fourth proportional to 1,394,184.20, 2,091,567.90 and 447,650.60 is: 671,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,184.20 : 2,091,567.90 = 447,650.60 : x
  2. Step 2: Convert to fraction form
    1,394,184.20/2,091,567.90 = 447,650.60/x
  3. Step 3: Cross multiply
    1,394,184.20x = 2,091,567.90 × 447,650.60
  4. Step 4: Simplify right side
    1,394,184.20x = 936,291,625,375.74
  5. Step 5: Solve for x
    x = 936,291,625,375.74/1,394,184.20
  6. Step 6: Final answer
    x = 671,569.53

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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.