Home / 446,524.80-669,787.20-131,013.60

Finding the Fourth Proportional to 446,524.80, 669,787.20 and 131,013.60

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Solution

The fourth proportional to 446,524.80, 669,787.20 and 131,013.60 is: 196,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,524.80 : 669,787.20 = 131,013.60 : x
  2. Step 2: Convert to fraction form
    446,524.80/669,787.20 = 131,013.60/x
  3. Step 3: Cross multiply
    446,524.80x = 669,787.20 × 131,013.60
  4. Step 4: Simplify right side
    446,524.80x = 87,751,232,305.92
  5. Step 5: Solve for x
    x = 87,751,232,305.92/446,524.80
  6. Step 6: Final answer
    x = 196,520.40

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Similar ratio
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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.