Home / 511,941.24-706,476.78-285,586.92

Finding the Fourth Proportional to 511,941.24, 706,476.78 and 285,586.92

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Solution

The fourth proportional to 511,941.24, 706,476.78 and 285,586.92 is: 394,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,941.24 : 706,476.78 = 285,586.92 : x
  2. Step 2: Convert to fraction form
    511,941.24/706,476.78 = 285,586.92/x
  3. Step 3: Cross multiply
    511,941.24x = 706,476.78 × 285,586.92
  4. Step 4: Simplify right side
    511,941.24x = 201,760,527,651.72
  5. Step 5: Solve for x
    x = 201,760,527,651.72/511,941.24
  6. Step 6: Final answer
    x = 394,108.76

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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.