Home / 754,717.62-1,131,714.63-355,021.14

Finding the Fourth Proportional to 754,717.62, 1,131,714.63 and 355,021.14

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Solution

The fourth proportional to 754,717.62, 1,131,714.63 and 355,021.14 is: 532,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,717.62 : 1,131,714.63 = 355,021.14 : x
  2. Step 2: Convert to fraction form
    754,717.62/1,131,714.63 = 355,021.14/x
  3. Step 3: Cross multiply
    754,717.62x = 1,131,714.63 × 355,021.14
  4. Step 4: Simplify right side
    754,717.62x = 401,782,618,097.28
  5. Step 5: Solve for x
    x = 401,782,618,097.28/754,717.62
  6. Step 6: Final answer
    x = 532,361.52

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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.