Home / 451,178.97-677,049.27-409,135.24

Finding the Fourth Proportional to 451,178.97, 677,049.27 and 409,135.24

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Solution

The fourth proportional to 451,178.97, 677,049.27 and 409,135.24 is: 613,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.97 : 677,049.27 = 409,135.24 : x
  2. Step 2: Convert to fraction form
    451,178.97/677,049.27 = 409,135.24/x
  3. Step 3: Cross multiply
    451,178.97x = 677,049.27 × 409,135.24
  4. Step 4: Simplify right side
    451,178.97x = 277,004,715,573.28
  5. Step 5: Solve for x
    x = 277,004,715,573.28/451,178.97
  6. Step 6: Final answer
    x = 613,957.51

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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.