Home / 386,759.30-533,717.55-214,676.73

Finding the Fourth Proportional to 386,759.30, 533,717.55 and 214,676.73

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Solution

The fourth proportional to 386,759.30, 533,717.55 and 214,676.73 is: 296,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,759.30 : 533,717.55 = 214,676.73 : x
  2. Step 2: Convert to fraction form
    386,759.30/533,717.55 = 214,676.73/x
  3. Step 3: Cross multiply
    386,759.30x = 533,717.55 × 214,676.73
  4. Step 4: Simplify right side
    386,759.30x = 114,576,738,377.61
  5. Step 5: Solve for x
    x = 114,576,738,377.61/386,759.30
  6. Step 6: Final answer
    x = 296,248.18

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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.