Home / 881,067.33-1,215,849.29-518,512.55

Finding the Fourth Proportional to 881,067.33, 1,215,849.29 and 518,512.55

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Solution

The fourth proportional to 881,067.33, 1,215,849.29 and 518,512.55 is: 715,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,067.33 : 1,215,849.29 = 518,512.55 : x
  2. Step 2: Convert to fraction form
    881,067.33/1,215,849.29 = 518,512.55/x
  3. Step 3: Cross multiply
    881,067.33x = 1,215,849.29 × 518,512.55
  4. Step 4: Simplify right side
    881,067.33x = 630,433,107,101.78
  5. Step 5: Solve for x
    x = 630,433,107,101.78/881,067.33
  6. Step 6: Final answer
    x = 715,533.41

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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.