Home / 631,145.97-946,996.43-331,556.94

Finding the Fourth Proportional to 631,145.97, 946,996.43 and 331,556.94

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Solution

The fourth proportional to 631,145.97, 946,996.43 and 331,556.94 is: 497,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,145.97 : 946,996.43 = 331,556.94 : x
  2. Step 2: Convert to fraction form
    631,145.97/946,996.43 = 331,556.94/x
  3. Step 3: Cross multiply
    631,145.97x = 946,996.43 × 331,556.94
  4. Step 4: Simplify right side
    631,145.97x = 313,983,236,863.94
  5. Step 5: Solve for x
    x = 313,983,236,863.94/631,145.97
  6. Step 6: Final answer
    x = 497,481.17

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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.