Home / 439,124.28-605,983.60-248,133.56

Finding the Fourth Proportional to 439,124.28, 605,983.60 and 248,133.56

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Solution

The fourth proportional to 439,124.28, 605,983.60 and 248,133.56 is: 342,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,124.28 : 605,983.60 = 248,133.56 : x
  2. Step 2: Convert to fraction form
    439,124.28/605,983.60 = 248,133.56/x
  3. Step 3: Cross multiply
    439,124.28x = 605,983.60 × 248,133.56
  4. Step 4: Simplify right side
    439,124.28x = 150,364,867,969.62
  5. Step 5: Solve for x
    x = 150,364,867,969.62/439,124.28
  6. Step 6: Final answer
    x = 342,419.85

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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.