Home / 381,267.38-526,212.06-211,556.18

Finding the Fourth Proportional to 381,267.38, 526,212.06 and 211,556.18

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Solution

The fourth proportional to 381,267.38, 526,212.06 and 211,556.18 is: 291,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,267.38 : 526,212.06 = 211,556.18 : x
  2. Step 2: Convert to fraction form
    381,267.38/526,212.06 = 211,556.18/x
  3. Step 3: Cross multiply
    381,267.38x = 526,212.06 × 211,556.18
  4. Step 4: Simplify right side
    381,267.38x = 111,323,413,283.53
  5. Step 5: Solve for x
    x = 111,323,413,283.53/381,267.38
  6. Step 6: Final answer
    x = 291,982.53

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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.