Home / 873,131.62-1,309,693.38-242,043.34

Finding the Fourth Proportional to 873,131.62, 1,309,693.38 and 242,043.34

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Solution

The fourth proportional to 873,131.62, 1,309,693.38 and 242,043.34 is: 363,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,131.62 : 1,309,693.38 = 242,043.34 : x
  2. Step 2: Convert to fraction form
    873,131.62/1,309,693.38 = 242,043.34/x
  3. Step 3: Cross multiply
    873,131.62x = 1,309,693.38 × 242,043.34
  4. Step 4: Simplify right side
    873,131.62x = 317,002,560,071.09
  5. Step 5: Solve for x
    x = 317,002,560,071.09/873,131.62
  6. Step 6: Final answer
    x = 363,063.89

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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.