Home / 441,208.80-661,424.40-263,527.20

Finding the Fourth Proportional to 441,208.80, 661,424.40 and 263,527.20

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Solution

The fourth proportional to 441,208.80, 661,424.40 and 263,527.20 is: 395,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,208.80 : 661,424.40 = 263,527.20 : x
  2. Step 2: Convert to fraction form
    441,208.80/661,424.40 = 263,527.20/x
  3. Step 3: Cross multiply
    441,208.80x = 661,424.40 × 263,527.20
  4. Step 4: Simplify right side
    441,208.80x = 174,303,320,143.68
  5. Step 5: Solve for x
    x = 174,303,320,143.68/441,208.80
  6. Step 6: Final answer
    x = 395,058.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.