Home / 397,451.28-548,625.45-236,305.94

Finding the Fourth Proportional to 397,451.28, 548,625.45 and 236,305.94

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Solution

The fourth proportional to 397,451.28, 548,625.45 and 236,305.94 is: 326,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,451.28 : 548,625.45 = 236,305.94 : x
  2. Step 2: Convert to fraction form
    397,451.28/548,625.45 = 236,305.94/x
  3. Step 3: Cross multiply
    397,451.28x = 548,625.45 × 236,305.94
  4. Step 4: Simplify right side
    397,451.28x = 129,643,451,488.64
  5. Step 5: Solve for x
    x = 129,643,451,488.64/397,451.28
  6. Step 6: Final answer
    x = 326,187.03

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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.