Home / 791,759.88-1,093,133.88-520,309.44

Finding the Fourth Proportional to 791,759.88, 1,093,133.88 and 520,309.44

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Solution

The fourth proportional to 791,759.88, 1,093,133.88 and 520,309.44 is: 718,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,759.88 : 1,093,133.88 = 520,309.44 : x
  2. Step 2: Convert to fraction form
    791,759.88/1,093,133.88 = 520,309.44/x
  3. Step 3: Cross multiply
    791,759.88x = 1,093,133.88 × 520,309.44
  4. Step 4: Simplify right side
    791,759.88x = 568,767,876,947.83
  5. Step 5: Solve for x
    x = 568,767,876,947.83/791,759.88
  6. Step 6: Final answer
    x = 718,359.05

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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.