Home / 881,067.14-1,215,849.03-518,512.35

Finding the Fourth Proportional to 881,067.14, 1,215,849.03 and 518,512.35

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Solution

The fourth proportional to 881,067.14, 1,215,849.03 and 518,512.35 is: 715,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,067.14 : 1,215,849.03 = 518,512.35 : x
  2. Step 2: Convert to fraction form
    881,067.14/1,215,849.03 = 518,512.35/x
  3. Step 3: Cross multiply
    881,067.14x = 1,215,849.03 × 518,512.35
  4. Step 4: Simplify right side
    881,067.14x = 630,432,743,322.17
  5. Step 5: Solve for x
    x = 630,432,743,322.17/881,067.14
  6. Step 6: Final answer
    x = 715,533.15

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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.