Home / 439,422.11-606,397.05-258,150.56

Finding the Fourth Proportional to 439,422.11, 606,397.05 and 258,150.56

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Solution

The fourth proportional to 439,422.11, 606,397.05 and 258,150.56 is: 356,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,422.11 : 606,397.05 = 258,150.56 : x
  2. Step 2: Convert to fraction form
    439,422.11/606,397.05 = 258,150.56/x
  3. Step 3: Cross multiply
    439,422.11x = 606,397.05 × 258,150.56
  4. Step 4: Simplify right side
    439,422.11x = 156,541,735,007.86
  5. Step 5: Solve for x
    x = 156,541,735,007.86/439,422.11
  6. Step 6: Final answer
    x = 356,244.56

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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.