Home / 439,112.28-605,967.04-248,121.56

Finding the Fourth Proportional to 439,112.28, 605,967.04 and 248,121.56

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Solution

The fourth proportional to 439,112.28, 605,967.04 and 248,121.56 is: 342,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,112.28 : 605,967.04 = 248,121.56 : x
  2. Step 2: Convert to fraction form
    439,112.28/605,967.04 = 248,121.56/x
  3. Step 3: Cross multiply
    439,112.28x = 605,967.04 × 248,121.56
  4. Step 4: Simplify right side
    439,112.28x = 150,353,487,273.38
  5. Step 5: Solve for x
    x = 150,353,487,273.38/439,112.28
  6. Step 6: Final answer
    x = 342,403.29

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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.