Home / 446,380.20-668,987.10-179,922.60

Finding the Fourth Proportional to 446,380.20, 668,987.10 and 179,922.60

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Solution

The fourth proportional to 446,380.20, 668,987.10 and 179,922.60 is: 269,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,380.20 : 668,987.10 = 179,922.60 : x
  2. Step 2: Convert to fraction form
    446,380.20/668,987.10 = 179,922.60/x
  3. Step 3: Cross multiply
    446,380.20x = 668,987.10 × 179,922.60
  4. Step 4: Simplify right side
    446,380.20x = 120,365,898,398.46
  5. Step 5: Solve for x
    x = 120,365,898,398.46/446,380.20
  6. Step 6: Final answer
    x = 269,648.83

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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.