Home / 714,305.26-985,738.13-392,020.58

Finding the Fourth Proportional to 714,305.26, 985,738.13 and 392,020.58

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Solution

The fourth proportional to 714,305.26, 985,738.13 and 392,020.58 is: 540,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,305.26 : 985,738.13 = 392,020.58 : x
  2. Step 2: Convert to fraction form
    714,305.26/985,738.13 = 392,020.58/x
  3. Step 3: Cross multiply
    714,305.26x = 985,738.13 × 392,020.58
  4. Step 4: Simplify right side
    714,305.26x = 386,429,633,450.72
  5. Step 5: Solve for x
    x = 386,429,633,450.72/714,305.26
  6. Step 6: Final answer
    x = 540,986.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.