Home / 451,660.28-677,490.72-114,726.20

Finding the Fourth Proportional to 451,660.28, 677,490.72 and 114,726.20

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Solution

The fourth proportional to 451,660.28, 677,490.72 and 114,726.20 is: 172,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,660.28 : 677,490.72 = 114,726.20 : x
  2. Step 2: Convert to fraction form
    451,660.28/677,490.72 = 114,726.20/x
  3. Step 3: Cross multiply
    451,660.28x = 677,490.72 × 114,726.20
  4. Step 4: Simplify right side
    451,660.28x = 77,725,935,840.86
  5. Step 5: Solve for x
    x = 77,725,935,840.86/451,660.28
  6. Step 6: Final answer
    x = 172,089.38

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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.