Home / 397,796.22-548,972.28-216,514.76

Finding the Fourth Proportional to 397,796.22, 548,972.28 and 216,514.76

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Solution

The fourth proportional to 397,796.22, 548,972.28 and 216,514.76 is: 298,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,796.22 : 548,972.28 = 216,514.76 : x
  2. Step 2: Convert to fraction form
    397,796.22/548,972.28 = 216,514.76/x
  3. Step 3: Cross multiply
    397,796.22x = 548,972.28 × 216,514.76
  4. Step 4: Simplify right side
    397,796.22x = 118,860,598,705.99
  5. Step 5: Solve for x
    x = 118,860,598,705.99/397,796.22
  6. Step 6: Final answer
    x = 298,797.71

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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.