Home / 449,301.12-620,023.68-248,092.80

Finding the Fourth Proportional to 449,301.12, 620,023.68 and 248,092.80

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Solution

The fourth proportional to 449,301.12, 620,023.68 and 248,092.80 is: 342,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,301.12 : 620,023.68 = 248,092.80 : x
  2. Step 2: Convert to fraction form
    449,301.12/620,023.68 = 248,092.80/x
  3. Step 3: Cross multiply
    449,301.12x = 620,023.68 × 248,092.80
  4. Step 4: Simplify right side
    449,301.12x = 153,823,410,837.50
  5. Step 5: Solve for x
    x = 153,823,410,837.50/449,301.12
  6. Step 6: Final answer
    x = 342,361.51

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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.