Home / 454,243.32-626,847.66-253,035

Finding the Fourth Proportional to 454,243.32, 626,847.66 and 253,035

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Solution

The fourth proportional to 454,243.32, 626,847.66 and 253,035 is: 349,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,243.32 : 626,847.66 = 253,035 : x
  2. Step 2: Convert to fraction form
    454,243.32/626,847.66 = 253,035/x
  3. Step 3: Cross multiply
    454,243.32x = 626,847.66 × 253,035
  4. Step 4: Simplify right side
    454,243.32x = 158,614,397,648.10
  5. Step 5: Solve for x
    x = 158,614,397,648.10/454,243.32
  6. Step 6: Final answer
    x = 349,183.78

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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.