Home / 400,644.24-552,868.02-219,321.43

Finding the Fourth Proportional to 400,644.24, 552,868.02 and 219,321.43

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Solution

The fourth proportional to 400,644.24, 552,868.02 and 219,321.43 is: 302,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,644.24 : 552,868.02 = 219,321.43 : x
  2. Step 2: Convert to fraction form
    400,644.24/552,868.02 = 219,321.43/x
  3. Step 3: Cross multiply
    400,644.24x = 552,868.02 × 219,321.43
  4. Step 4: Simplify right side
    400,644.24x = 121,255,804,747.67
  5. Step 5: Solve for x
    x = 121,255,804,747.67/400,644.24
  6. Step 6: Final answer
    x = 302,652.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.