Home / 381,609.44-526,565.04-211,844.96

Finding the Fourth Proportional to 381,609.44, 526,565.04 and 211,844.96

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Solution

The fourth proportional to 381,609.44, 526,565.04 and 211,844.96 is: 292,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,609.44 : 526,565.04 = 211,844.96 : x
  2. Step 2: Convert to fraction form
    381,609.44/526,565.04 = 211,844.96/x
  3. Step 3: Cross multiply
    381,609.44x = 526,565.04 × 211,844.96
  4. Step 4: Simplify right side
    381,609.44x = 111,550,149,836.20
  5. Step 5: Solve for x
    x = 111,550,149,836.20/381,609.44
  6. Step 6: Final answer
    x = 292,314.96

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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.