Home / 791,914.28-1,092,759.84-486,003.53

Finding the Fourth Proportional to 791,914.28, 1,092,759.84 and 486,003.53

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Solution

The fourth proportional to 791,914.28, 1,092,759.84 and 486,003.53 is: 670,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,914.28 : 1,092,759.84 = 486,003.53 : x
  2. Step 2: Convert to fraction form
    791,914.28/1,092,759.84 = 486,003.53/x
  3. Step 3: Cross multiply
    791,914.28x = 1,092,759.84 × 486,003.53
  4. Step 4: Simplify right side
    791,914.28x = 531,085,134,218.44
  5. Step 5: Solve for x
    x = 531,085,134,218.44/791,914.28
  6. Step 6: Final answer
    x = 670,634.63

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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.