Home / 447,242.20-617,183.11-256,243.29

Finding the Fourth Proportional to 447,242.20, 617,183.11 and 256,243.29

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Solution

The fourth proportional to 447,242.20, 617,183.11 and 256,243.29 is: 353,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,242.20 : 617,183.11 = 256,243.29 : x
  2. Step 2: Convert to fraction form
    447,242.20/617,183.11 = 256,243.29/x
  3. Step 3: Cross multiply
    447,242.20x = 617,183.11 × 256,243.29
  4. Step 4: Simplify right side
    447,242.20x = 158,149,030,638.83
  5. Step 5: Solve for x
    x = 158,149,030,638.83/447,242.20
  6. Step 6: Final answer
    x = 353,609.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.