Home / 819,769.25-1,131,253.67-452,261.04

Finding the Fourth Proportional to 819,769.25, 1,131,253.67 and 452,261.04

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Solution

The fourth proportional to 819,769.25, 1,131,253.67 and 452,261.04 is: 624,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,769.25 : 1,131,253.67 = 452,261.04 : x
  2. Step 2: Convert to fraction form
    819,769.25/1,131,253.67 = 452,261.04/x
  3. Step 3: Cross multiply
    819,769.25x = 1,131,253.67 × 452,261.04
  4. Step 4: Simplify right side
    819,769.25x = 511,621,959,036.71
  5. Step 5: Solve for x
    x = 511,621,959,036.71/819,769.25
  6. Step 6: Final answer
    x = 624,104.85

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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.