Home / 449,833.40-620,667.78-268,604.04

Finding the Fourth Proportional to 449,833.40, 620,667.78 and 268,604.04

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Solution

The fourth proportional to 449,833.40, 620,667.78 and 268,604.04 is: 370,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,833.40 : 620,667.78 = 268,604.04 : x
  2. Step 2: Convert to fraction form
    449,833.40/620,667.78 = 268,604.04/x
  3. Step 3: Cross multiply
    449,833.40x = 620,667.78 × 268,604.04
  4. Step 4: Simplify right side
    449,833.40x = 166,713,873,205.83
  5. Step 5: Solve for x
    x = 166,713,873,205.83/449,833.40
  6. Step 6: Final answer
    x = 370,612.48

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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.