Home / 766,621.67-1,149,891.12-234,101.34

Finding the Fourth Proportional to 766,621.67, 1,149,891.12 and 234,101.34

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Solution

The fourth proportional to 766,621.67, 1,149,891.12 and 234,101.34 is: 351,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,621.67 : 1,149,891.12 = 234,101.34 : x
  2. Step 2: Convert to fraction form
    766,621.67/1,149,891.12 = 234,101.34/x
  3. Step 3: Cross multiply
    766,621.67x = 1,149,891.12 × 234,101.34
  4. Step 4: Simplify right side
    766,621.67x = 269,191,052,046.10
  5. Step 5: Solve for x
    x = 269,191,052,046.10/766,621.67
  6. Step 6: Final answer
    x = 351,139.37

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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.