Home / 819,754.85-1,131,464.52-558,542.29

Finding the Fourth Proportional to 819,754.85, 1,131,464.52 and 558,542.29

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Solution

The fourth proportional to 819,754.85, 1,131,464.52 and 558,542.29 is: 770,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,754.85 : 1,131,464.52 = 558,542.29 : x
  2. Step 2: Convert to fraction form
    819,754.85/1,131,464.52 = 558,542.29/x
  3. Step 3: Cross multiply
    819,754.85x = 1,131,464.52 × 558,542.29
  4. Step 4: Simplify right side
    819,754.85x = 631,970,784,054.55
  5. Step 5: Solve for x
    x = 631,970,784,054.55/819,754.85
  6. Step 6: Final answer
    x = 770,926.56

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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.