Home / 451,845.24-677,327.18-215,124.36

Finding the Fourth Proportional to 451,845.24, 677,327.18 and 215,124.36

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Solution

The fourth proportional to 451,845.24, 677,327.18 and 215,124.36 is: 322,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,845.24 : 677,327.18 = 215,124.36 : x
  2. Step 2: Convert to fraction form
    451,845.24/677,327.18 = 215,124.36/x
  3. Step 3: Cross multiply
    451,845.24x = 677,327.18 × 215,124.36
  4. Step 4: Simplify right side
    451,845.24x = 145,709,576,108.11
  5. Step 5: Solve for x
    x = 145,709,576,108.11/451,845.24
  6. Step 6: Final answer
    x = 322,476.73

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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.