Home / 283,571.27-391,355.92-211,826.73

Finding the Fourth Proportional to 283,571.27, 391,355.92 and 211,826.73

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Solution

The fourth proportional to 283,571.27, 391,355.92 and 211,826.73 is: 292,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571.27 : 391,355.92 = 211,826.73 : x
  2. Step 2: Convert to fraction form
    283,571.27/391,355.92 = 211,826.73/x
  3. Step 3: Cross multiply
    283,571.27x = 391,355.92 × 211,826.73
  4. Step 4: Simplify right side
    283,571.27x = 82,899,644,799.74
  5. Step 5: Solve for x
    x = 82,899,644,799.74/283,571.27
  6. Step 6: Final answer
    x = 292,341.49

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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.