Home / 451,222.38-676,833.57-214,435.89

Finding the Fourth Proportional to 451,222.38, 676,833.57 and 214,435.89

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Solution

The fourth proportional to 451,222.38, 676,833.57 and 214,435.89 is: 321,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,222.38 : 676,833.57 = 214,435.89 : x
  2. Step 2: Convert to fraction form
    451,222.38/676,833.57 = 214,435.89/x
  3. Step 3: Cross multiply
    451,222.38x = 676,833.57 × 214,435.89
  4. Step 4: Simplify right side
    451,222.38x = 145,137,408,964.83
  5. Step 5: Solve for x
    x = 145,137,408,964.83/451,222.38
  6. Step 6: Final answer
    x = 321,653.84

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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.