Home / 717,538-1,076,439.25-296,846.68

Finding the Fourth Proportional to 717,538, 1,076,439.25 and 296,846.68

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Solution

The fourth proportional to 717,538, 1,076,439.25 and 296,846.68 is: 445,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,538 : 1,076,439.25 = 296,846.68 : x
  2. Step 2: Convert to fraction form
    717,538/1,076,439.25 = 296,846.68/x
  3. Step 3: Cross multiply
    717,538x = 1,076,439.25 × 296,846.68
  4. Step 4: Simplify right side
    717,538x = 319,537,417,584.19
  5. Step 5: Solve for x
    x = 319,537,417,584.19/717,538
  6. Step 6: Final answer
    x = 445,324.73

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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.