Home / 408,743.28-613,107.78-183,944.64

Finding the Fourth Proportional to 408,743.28, 613,107.78 and 183,944.64

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Solution

The fourth proportional to 408,743.28, 613,107.78 and 183,944.64 is: 275,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,743.28 : 613,107.78 = 183,944.64 : x
  2. Step 2: Convert to fraction form
    408,743.28/613,107.78 = 183,944.64/x
  3. Step 3: Cross multiply
    408,743.28x = 613,107.78 × 183,944.64
  4. Step 4: Simplify right side
    408,743.28x = 112,777,889,873.30
  5. Step 5: Solve for x
    x = 112,777,889,873.30/408,743.28
  6. Step 6: Final answer
    x = 275,913.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.