Home / 994,472.94-1,491,746.37-320,563.98

Finding the Fourth Proportional to 994,472.94, 1,491,746.37 and 320,563.98

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Solution

The fourth proportional to 994,472.94, 1,491,746.37 and 320,563.98 is: 480,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,472.94 : 1,491,746.37 = 320,563.98 : x
  2. Step 2: Convert to fraction form
    994,472.94/1,491,746.37 = 320,563.98/x
  3. Step 3: Cross multiply
    994,472.94x = 1,491,746.37 × 320,563.98
  4. Step 4: Simplify right side
    994,472.94x = 478,200,144,456.20
  5. Step 5: Solve for x
    x = 478,200,144,456.20/994,472.94
  6. Step 6: Final answer
    x = 480,857.87

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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.