Home / 451,248.46-676,122.20-317,846.90

Finding the Fourth Proportional to 451,248.46, 676,122.20 and 317,846.90

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Solution

The fourth proportional to 451,248.46, 676,122.20 and 317,846.90 is: 476,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,248.46 : 676,122.20 = 317,846.90 : x
  2. Step 2: Convert to fraction form
    451,248.46/676,122.20 = 317,846.90/x
  3. Step 3: Cross multiply
    451,248.46x = 676,122.20 × 317,846.90
  4. Step 4: Simplify right side
    451,248.46x = 214,903,345,291.18
  5. Step 5: Solve for x
    x = 214,903,345,291.18/451,248.46
  6. Step 6: Final answer
    x = 476,241.73

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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.