Home / 465,186.32-641,789.16-263,865.68

Finding the Fourth Proportional to 465,186.32, 641,789.16 and 263,865.68

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Solution

The fourth proportional to 465,186.32, 641,789.16 and 263,865.68 is: 364,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,186.32 : 641,789.16 = 263,865.68 : x
  2. Step 2: Convert to fraction form
    465,186.32/641,789.16 = 263,865.68/x
  3. Step 3: Cross multiply
    465,186.32x = 641,789.16 × 263,865.68
  4. Step 4: Simplify right side
    465,186.32x = 169,346,133,120.03
  5. Step 5: Solve for x
    x = 169,346,133,120.03/465,186.32
  6. Step 6: Final answer
    x = 364,039.37

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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.