Home / 489,922.45-676,103.67-269,162.58

Finding the Fourth Proportional to 489,922.45, 676,103.67 and 269,162.58

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Solution

The fourth proportional to 489,922.45, 676,103.67 and 269,162.58 is: 371,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,922.45 : 676,103.67 = 269,162.58 : x
  2. Step 2: Convert to fraction form
    489,922.45/676,103.67 = 269,162.58/x
  3. Step 3: Cross multiply
    489,922.45x = 676,103.67 × 269,162.58
  4. Step 4: Simplify right side
    489,922.45x = 181,981,806,818.86
  5. Step 5: Solve for x
    x = 181,981,806,818.86/489,922.45
  6. Step 6: Final answer
    x = 371,450.23

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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.