Home / 451,532.20-677,250.78-185,320.84

Finding the Fourth Proportional to 451,532.20, 677,250.78 and 185,320.84

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Solution

The fourth proportional to 451,532.20, 677,250.78 and 185,320.84 is: 277,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,532.20 : 677,250.78 = 185,320.84 : x
  2. Step 2: Convert to fraction form
    451,532.20/677,250.78 = 185,320.84/x
  3. Step 3: Cross multiply
    451,532.20x = 677,250.78 × 185,320.84
  4. Step 4: Simplify right side
    451,532.20x = 125,508,683,440.26
  5. Step 5: Solve for x
    x = 125,508,683,440.26/451,532.20
  6. Step 6: Final answer
    x = 277,961.76

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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.