Home / 664,278.67-996,576.11-214,999.55

Finding the Fourth Proportional to 664,278.67, 996,576.11 and 214,999.55

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Solution

The fourth proportional to 664,278.67, 996,576.11 and 214,999.55 is: 322,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,278.67 : 996,576.11 = 214,999.55 : x
  2. Step 2: Convert to fraction form
    664,278.67/996,576.11 = 214,999.55/x
  3. Step 3: Cross multiply
    664,278.67x = 996,576.11 × 214,999.55
  4. Step 4: Simplify right side
    664,278.67x = 214,263,415,190.75
  5. Step 5: Solve for x
    x = 214,263,415,190.75/664,278.67
  6. Step 6: Final answer
    x = 322,550.50

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Similar ratio
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1.5x scale

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.