Home / 440,180.10-658,520.55-381,665.70

Finding the Fourth Proportional to 440,180.10, 658,520.55 and 381,665.70

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Solution

The fourth proportional to 440,180.10, 658,520.55 and 381,665.70 is: 570,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,180.10 : 658,520.55 = 381,665.70 : x
  2. Step 2: Convert to fraction form
    440,180.10/658,520.55 = 381,665.70/x
  3. Step 3: Cross multiply
    440,180.10x = 658,520.55 × 381,665.70
  4. Step 4: Simplify right side
    440,180.10x = 251,334,706,680.14
  5. Step 5: Solve for x
    x = 251,334,706,680.14/440,180.10
  6. Step 6: Final answer
    x = 570,981.53

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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.