Home / 374,872.80-561,687.12-263,831.52

Finding the Fourth Proportional to 374,872.80, 561,687.12 and 263,831.52

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Solution

The fourth proportional to 374,872.80, 561,687.12 and 263,831.52 is: 395,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,872.80 : 561,687.12 = 263,831.52 : x
  2. Step 2: Convert to fraction form
    374,872.80/561,687.12 = 263,831.52/x
  3. Step 3: Cross multiply
    374,872.80x = 561,687.12 × 263,831.52
  4. Step 4: Simplify right side
    374,872.80x = 148,190,766,634.02
  5. Step 5: Solve for x
    x = 148,190,766,634.02/374,872.80
  6. Step 6: Final answer
    x = 395,309.47

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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.