Home / 792,131.80-1,188,197.70-705,040.60

Finding the Fourth Proportional to 792,131.80, 1,188,197.70 and 705,040.60

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Solution

The fourth proportional to 792,131.80, 1,188,197.70 and 705,040.60 is: 1,057,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,131.80 : 1,188,197.70 = 705,040.60 : x
  2. Step 2: Convert to fraction form
    792,131.80/1,188,197.70 = 705,040.60/x
  3. Step 3: Cross multiply
    792,131.80x = 1,188,197.70 × 705,040.60
  4. Step 4: Simplify right side
    792,131.80x = 837,727,619,326.62
  5. Step 5: Solve for x
    x = 837,727,619,326.62/792,131.80
  6. Step 6: Final answer
    x = 1,057,560.90

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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.