Home / 449,025.12-619,651.62-247,821.12

Finding the Fourth Proportional to 449,025.12, 619,651.62 and 247,821.12

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Solution

The fourth proportional to 449,025.12, 619,651.62 and 247,821.12 is: 341,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,025.12 : 619,651.62 = 247,821.12 : x
  2. Step 2: Convert to fraction form
    449,025.12/619,651.62 = 247,821.12/x
  3. Step 3: Cross multiply
    449,025.12x = 619,651.62 × 247,821.12
  4. Step 4: Simplify right side
    449,025.12x = 153,562,758,478.21
  5. Step 5: Solve for x
    x = 153,562,758,478.21/449,025.12
  6. Step 6: Final answer
    x = 341,991.46

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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.