Home / 894,103.20-1,233,874.56-512,129.64

Finding the Fourth Proportional to 894,103.20, 1,233,874.56 and 512,129.64

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Solution

The fourth proportional to 894,103.20, 1,233,874.56 and 512,129.64 is: 706,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,103.20 : 1,233,874.56 = 512,129.64 : x
  2. Step 2: Convert to fraction form
    894,103.20/1,233,874.56 = 512,129.64/x
  3. Step 3: Cross multiply
    894,103.20x = 1,233,874.56 × 512,129.64
  4. Step 4: Simplify right side
    894,103.20x = 631,903,734,217.96
  5. Step 5: Solve for x
    x = 631,903,734,217.96/894,103.20
  6. Step 6: Final answer
    x = 706,745.86

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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.