Home / 445,109.78-614,464.38-254,086.27

Finding the Fourth Proportional to 445,109.78, 614,464.38 and 254,086.27

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Solution

The fourth proportional to 445,109.78, 614,464.38 and 254,086.27 is: 350,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,109.78 : 614,464.38 = 254,086.27 : x
  2. Step 2: Convert to fraction form
    445,109.78/614,464.38 = 254,086.27/x
  3. Step 3: Cross multiply
    445,109.78x = 614,464.38 × 254,086.27
  4. Step 4: Simplify right side
    445,109.78x = 156,126,960,825.90
  5. Step 5: Solve for x
    x = 156,126,960,825.90/445,109.78
  6. Step 6: Final answer
    x = 350,760.57

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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.