Home / 381,812.20-526,902.07-212,046.33

Finding the Fourth Proportional to 381,812.20, 526,902.07 and 212,046.33

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Solution

The fourth proportional to 381,812.20, 526,902.07 and 212,046.33 is: 292,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,812.20 : 526,902.07 = 212,046.33 : x
  2. Step 2: Convert to fraction form
    381,812.20/526,902.07 = 212,046.33/x
  3. Step 3: Cross multiply
    381,812.20x = 526,902.07 × 212,046.33
  4. Step 4: Simplify right side
    381,812.20x = 111,727,650,212.90
  5. Step 5: Solve for x
    x = 111,727,650,212.90/381,812.20
  6. Step 6: Final answer
    x = 292,624.62

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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.