Home / 331,491.23-497,743.49-317,844.35

Finding the Fourth Proportional to 331,491.23, 497,743.49 and 317,844.35

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Solution

The fourth proportional to 331,491.23, 497,743.49 and 317,844.35 is: 477,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,491.23 : 497,743.49 = 317,844.35 : x
  2. Step 2: Convert to fraction form
    331,491.23/497,743.49 = 317,844.35/x
  3. Step 3: Cross multiply
    331,491.23x = 497,743.49 × 317,844.35
  4. Step 4: Simplify right side
    331,491.23x = 158,204,954,351.68
  5. Step 5: Solve for x
    x = 158,204,954,351.68/331,491.23
  6. Step 6: Final answer
    x = 477,252.31

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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.