Home / 717,536-1,076,436.25-296,844.68

Finding the Fourth Proportional to 717,536, 1,076,436.25 and 296,844.68

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Solution

The fourth proportional to 717,536, 1,076,436.25 and 296,844.68 is: 445,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,536 : 1,076,436.25 = 296,844.68 : x
  2. Step 2: Convert to fraction form
    717,536/1,076,436.25 = 296,844.68/x
  3. Step 3: Cross multiply
    717,536x = 1,076,436.25 × 296,844.68
  4. Step 4: Simplify right side
    717,536x = 319,534,374,171.65
  5. Step 5: Solve for x
    x = 319,534,374,171.65/717,536
  6. Step 6: Final answer
    x = 445,321.73

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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.