Home / 480,786.30-721,533.78-228,067.56

Finding the Fourth Proportional to 480,786.30, 721,533.78 and 228,067.56

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Solution

The fourth proportional to 480,786.30, 721,533.78 and 228,067.56 is: 342,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,786.30 : 721,533.78 = 228,067.56 : x
  2. Step 2: Convert to fraction form
    480,786.30/721,533.78 = 228,067.56/x
  3. Step 3: Cross multiply
    480,786.30x = 721,533.78 × 228,067.56
  4. Step 4: Simplify right side
    480,786.30x = 164,558,448,662.18
  5. Step 5: Solve for x
    x = 164,558,448,662.18/480,786.30
  6. Step 6: Final answer
    x = 342,269.42

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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.