Home / 467,122.86-644,642.46-285,831.54

Finding the Fourth Proportional to 467,122.86, 644,642.46 and 285,831.54

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Solution

The fourth proportional to 467,122.86, 644,642.46 and 285,831.54 is: 394,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,122.86 : 644,642.46 = 285,831.54 : x
  2. Step 2: Convert to fraction form
    467,122.86/644,642.46 = 285,831.54/x
  3. Step 3: Cross multiply
    467,122.86x = 644,642.46 × 285,831.54
  4. Step 4: Simplify right side
    467,122.86x = 184,259,147,091.19
  5. Step 5: Solve for x
    x = 184,259,147,091.19/467,122.86
  6. Step 6: Final answer
    x = 394,455.43

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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.