Home / 386,669.54-579,816.79-226,797.72

Finding the Fourth Proportional to 386,669.54, 579,816.79 and 226,797.72

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Solution

The fourth proportional to 386,669.54, 579,816.79 and 226,797.72 is: 340,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,669.54 : 579,816.79 = 226,797.72 : x
  2. Step 2: Convert to fraction form
    386,669.54/579,816.79 = 226,797.72/x
  3. Step 3: Cross multiply
    386,669.54x = 579,816.79 × 226,797.72
  4. Step 4: Simplify right side
    386,669.54x = 131,501,125,989.72
  5. Step 5: Solve for x
    x = 131,501,125,989.72/386,669.54
  6. Step 6: Final answer
    x = 340,086.59

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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.