Home / 288,219.11-394,858.34-277,441.08

Finding the Fourth Proportional to 288,219.11, 394,858.34 and 277,441.08

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Solution

The fourth proportional to 288,219.11, 394,858.34 and 277,441.08 is: 380,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,219.11 : 394,858.34 = 277,441.08 : x
  2. Step 2: Convert to fraction form
    288,219.11/394,858.34 = 277,441.08/x
  3. Step 3: Cross multiply
    288,219.11x = 394,858.34 × 277,441.08
  4. Step 4: Simplify right side
    288,219.11x = 109,549,924,296.61
  5. Step 5: Solve for x
    x = 109,549,924,296.61/288,219.11
  6. Step 6: Final answer
    x = 380,092.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.