Home / 489,221.84-733,942.92-173,678.24

Finding the Fourth Proportional to 489,221.84, 733,942.92 and 173,678.24

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Solution

The fourth proportional to 489,221.84, 733,942.92 and 173,678.24 is: 260,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,221.84 : 733,942.92 = 173,678.24 : x
  2. Step 2: Convert to fraction form
    489,221.84/733,942.92 = 173,678.24/x
  3. Step 3: Cross multiply
    489,221.84x = 733,942.92 × 173,678.24
  4. Step 4: Simplify right side
    489,221.84x = 127,469,914,606.06
  5. Step 5: Solve for x
    x = 127,469,914,606.06/489,221.84
  6. Step 6: Final answer
    x = 260,556.47

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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.