Home / 447,002.20-669,984.90-180,587.80

Finding the Fourth Proportional to 447,002.20, 669,984.90 and 180,587.80

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Solution

The fourth proportional to 447,002.20, 669,984.90 and 180,587.80 is: 270,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,002.20 : 669,984.90 = 180,587.80 : x
  2. Step 2: Convert to fraction form
    447,002.20/669,984.90 = 180,587.80/x
  3. Step 3: Cross multiply
    447,002.20x = 669,984.90 × 180,587.80
  4. Step 4: Simplify right side
    447,002.20x = 120,991,099,124.22
  5. Step 5: Solve for x
    x = 120,991,099,124.22/447,002.20
  6. Step 6: Final answer
    x = 270,672.27

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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.