Home / 994,473.44-1,491,747.11-320,564.47

Finding the Fourth Proportional to 994,473.44, 1,491,747.11 and 320,564.47

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Solution

The fourth proportional to 994,473.44, 1,491,747.11 and 320,564.47 is: 480,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,473.44 : 1,491,747.11 = 320,564.47 : x
  2. Step 2: Convert to fraction form
    994,473.44/1,491,747.11 = 320,564.47/x
  3. Step 3: Cross multiply
    994,473.44x = 1,491,747.11 × 320,564.47
  4. Step 4: Simplify right side
    994,473.44x = 478,201,121,691.18
  5. Step 5: Solve for x
    x = 478,201,121,691.18/994,473.44
  6. Step 6: Final answer
    x = 480,858.62

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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.