Home / 451,531.20-677,249.28-185,319.84

Finding the Fourth Proportional to 451,531.20, 677,249.28 and 185,319.84

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Solution

The fourth proportional to 451,531.20, 677,249.28 and 185,319.84 is: 277,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,531.20 : 677,249.28 = 185,319.84 : x
  2. Step 2: Convert to fraction form
    451,531.20/677,249.28 = 185,319.84/x
  3. Step 3: Cross multiply
    451,531.20x = 677,249.28 × 185,319.84
  4. Step 4: Simplify right side
    451,531.20x = 125,507,728,209.72
  5. Step 5: Solve for x
    x = 125,507,728,209.72/451,531.20
  6. Step 6: Final answer
    x = 277,960.26

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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.