Home / 395,991.38-593,992.04-261,913.70

Finding the Fourth Proportional to 395,991.38, 593,992.04 and 261,913.70

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Solution

The fourth proportional to 395,991.38, 593,992.04 and 261,913.70 is: 392,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,991.38 : 593,992.04 = 261,913.70 : x
  2. Step 2: Convert to fraction form
    395,991.38/593,992.04 = 261,913.70/x
  3. Step 3: Cross multiply
    395,991.38x = 593,992.04 × 261,913.70
  4. Step 4: Simplify right side
    395,991.38x = 155,574,653,142.36
  5. Step 5: Solve for x
    x = 155,574,653,142.36/395,991.38
  6. Step 6: Final answer
    x = 392,873.84

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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.