Home / 324,917.46-486,632.45-198,278.89

Finding the Fourth Proportional to 324,917.46, 486,632.45 and 198,278.89

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Solution

The fourth proportional to 324,917.46, 486,632.45 and 198,278.89 is: 296,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,917.46 : 486,632.45 = 198,278.89 : x
  2. Step 2: Convert to fraction form
    324,917.46/486,632.45 = 198,278.89/x
  3. Step 3: Cross multiply
    324,917.46x = 486,632.45 × 198,278.89
  4. Step 4: Simplify right side
    324,917.46x = 96,488,939,908.95
  5. Step 5: Solve for x
    x = 96,488,939,908.95/324,917.46
  6. Step 6: Final answer
    x = 296,964.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.