Home / 439,118.28-605,975.34-248,127.54

Finding the Fourth Proportional to 439,118.28, 605,975.34 and 248,127.54

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Solution

The fourth proportional to 439,118.28, 605,975.34 and 248,127.54 is: 342,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,118.28 : 605,975.34 = 248,127.54 : x
  2. Step 2: Convert to fraction form
    439,118.28/605,975.34 = 248,127.54/x
  3. Step 3: Cross multiply
    439,118.28x = 605,975.34 × 248,127.54
  4. Step 4: Simplify right side
    439,118.28x = 150,359,170,414.86
  5. Step 5: Solve for x
    x = 150,359,170,414.86/439,118.28
  6. Step 6: Final answer
    x = 342,411.55

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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.