Home / 850,855.72-1,275,832.12-251,734.36

Finding the Fourth Proportional to 850,855.72, 1,275,832.12 and 251,734.36

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Solution

The fourth proportional to 850,855.72, 1,275,832.12 and 251,734.36 is: 377,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,855.72 : 1,275,832.12 = 251,734.36 : x
  2. Step 2: Convert to fraction form
    850,855.72/1,275,832.12 = 251,734.36/x
  3. Step 3: Cross multiply
    850,855.72x = 1,275,832.12 × 251,734.36
  4. Step 4: Simplify right side
    850,855.72x = 321,170,782,195.64
  5. Step 5: Solve for x
    x = 321,170,782,195.64/850,855.72
  6. Step 6: Final answer
    x = 377,467.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.