Home / 994,472.44-1,491,745.61-320,563.47

Finding the Fourth Proportional to 994,472.44, 1,491,745.61 and 320,563.47

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Solution

The fourth proportional to 994,472.44, 1,491,745.61 and 320,563.47 is: 480,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,472.44 : 1,491,745.61 = 320,563.47 : x
  2. Step 2: Convert to fraction form
    994,472.44/1,491,745.61 = 320,563.47/x
  3. Step 3: Cross multiply
    994,472.44x = 1,491,745.61 × 320,563.47
  4. Step 4: Simplify right side
    994,472.44x = 478,199,155,494.32
  5. Step 5: Solve for x
    x = 478,199,155,494.32/994,472.44
  6. Step 6: Final answer
    x = 480,857.12

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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.