Home / 819,914.66-1,131,532.92-452,390

Finding the Fourth Proportional to 819,914.66, 1,131,532.92 and 452,390

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Solution

The fourth proportional to 819,914.66, 1,131,532.92 and 452,390 is: 624,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,914.66 : 1,131,532.92 = 452,390 : x
  2. Step 2: Convert to fraction form
    819,914.66/1,131,532.92 = 452,390/x
  3. Step 3: Cross multiply
    819,914.66x = 1,131,532.92 × 452,390
  4. Step 4: Simplify right side
    819,914.66x = 511,894,177,678.80
  5. Step 5: Solve for x
    x = 511,894,177,678.80/819,914.66
  6. Step 6: Final answer
    x = 624,326.17

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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.