Home / 767,861.94-1,150,858.86-543,287.12

Finding the Fourth Proportional to 767,861.94, 1,150,858.86 and 543,287.12

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Solution

The fourth proportional to 767,861.94, 1,150,858.86 and 543,287.12 is: 814,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,861.94 : 1,150,858.86 = 543,287.12 : x
  2. Step 2: Convert to fraction form
    767,861.94/1,150,858.86 = 543,287.12/x
  3. Step 3: Cross multiply
    767,861.94x = 1,150,858.86 × 543,287.12
  4. Step 4: Simplify right side
    767,861.94x = 625,246,795,575.88
  5. Step 5: Solve for x
    x = 625,246,795,575.88/767,861.94
  6. Step 6: Final answer
    x = 814,269.81

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1.5x scale

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.