Home / 324,621-486,778.23-189,723.75

Finding the Fourth Proportional to 324,621, 486,778.23 and 189,723.75

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Solution

The fourth proportional to 324,621, 486,778.23 and 189,723.75 is: 284,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,621 : 486,778.23 = 189,723.75 : x
  2. Step 2: Convert to fraction form
    324,621/486,778.23 = 189,723.75/x
  3. Step 3: Cross multiply
    324,621x = 486,778.23 × 189,723.75
  4. Step 4: Simplify right side
    324,621x = 92,353,391,213.96
  5. Step 5: Solve for x
    x = 92,353,391,213.96/324,621
  6. Step 6: Final answer
    x = 284,496.05

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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.