Home / 394,904.44-544,401.30-281,530.36

Finding the Fourth Proportional to 394,904.44, 544,401.30 and 281,530.36

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Solution

The fourth proportional to 394,904.44, 544,401.30 and 281,530.36 is: 388,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,904.44 : 544,401.30 = 281,530.36 : x
  2. Step 2: Convert to fraction form
    394,904.44/544,401.30 = 281,530.36/x
  3. Step 3: Cross multiply
    394,904.44x = 544,401.30 × 281,530.36
  4. Step 4: Simplify right side
    394,904.44x = 153,265,493,973.47
  5. Step 5: Solve for x
    x = 153,265,493,973.47/394,904.44
  6. Step 6: Final answer
    x = 388,107.80

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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.