Home / 382,015.82-527,178.03-212,246.30

Finding the Fourth Proportional to 382,015.82, 527,178.03 and 212,246.30

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Solution

The fourth proportional to 382,015.82, 527,178.03 and 212,246.30 is: 292,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,015.82 : 527,178.03 = 212,246.30 : x
  2. Step 2: Convert to fraction form
    382,015.82/527,178.03 = 212,246.30/x
  3. Step 3: Cross multiply
    382,015.82x = 527,178.03 × 212,246.30
  4. Step 4: Simplify right side
    382,015.82x = 111,891,586,308.79
  5. Step 5: Solve for x
    x = 111,891,586,308.79/382,015.82
  6. Step 6: Final answer
    x = 292,897.78

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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.