Home / 819,770.25-1,131,255.04-452,262.04

Finding the Fourth Proportional to 819,770.25, 1,131,255.04 and 452,262.04

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Solution

The fourth proportional to 819,770.25, 1,131,255.04 and 452,262.04 is: 624,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,770.25 : 1,131,255.04 = 452,262.04 : x
  2. Step 2: Convert to fraction form
    819,770.25/1,131,255.04 = 452,262.04/x
  3. Step 3: Cross multiply
    819,770.25x = 1,131,255.04 × 452,262.04
  4. Step 4: Simplify right side
    819,770.25x = 511,623,712,150.68
  5. Step 5: Solve for x
    x = 511,623,712,150.68/819,770.25
  6. Step 6: Final answer
    x = 624,106.22

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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.