Home / 925,789.82-1,277,540.20-512,308.44

Finding the Fourth Proportional to 925,789.82, 1,277,540.20 and 512,308.44

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Solution

The fourth proportional to 925,789.82, 1,277,540.20 and 512,308.44 is: 706,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,789.82 : 1,277,540.20 = 512,308.44 : x
  2. Step 2: Convert to fraction form
    925,789.82/1,277,540.20 = 512,308.44/x
  3. Step 3: Cross multiply
    925,789.82x = 1,277,540.20 × 512,308.44
  4. Step 4: Simplify right side
    925,789.82x = 654,494,632,330.45
  5. Step 5: Solve for x
    x = 654,494,632,330.45/925,789.82
  6. Step 6: Final answer
    x = 706,958.12

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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.