Home / 591,190.60-886,613.10-212,067.40

Finding the Fourth Proportional to 591,190.60, 886,613.10 and 212,067.40

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Solution

The fourth proportional to 591,190.60, 886,613.10 and 212,067.40 is: 318,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,190.60 : 886,613.10 = 212,067.40 : x
  2. Step 2: Convert to fraction form
    591,190.60/886,613.10 = 212,067.40/x
  3. Step 3: Cross multiply
    591,190.60x = 886,613.10 × 212,067.40
  4. Step 4: Simplify right side
    591,190.60x = 188,021,734,922.94
  5. Step 5: Solve for x
    x = 188,021,734,922.94/591,190.60
  6. Step 6: Final answer
    x = 318,039.11

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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.