Home / 767,859.93-1,150,855.86-543,285.12

Finding the Fourth Proportional to 767,859.93, 1,150,855.86 and 543,285.12

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Solution

The fourth proportional to 767,859.93, 1,150,855.86 and 543,285.12 is: 814,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,859.93 : 1,150,855.86 = 543,285.12 : x
  2. Step 2: Convert to fraction form
    767,859.93/1,150,855.86 = 543,285.12/x
  3. Step 3: Cross multiply
    767,859.93x = 1,150,855.86 × 543,285.12
  4. Step 4: Simplify right side
    767,859.93x = 625,242,864,002.80
  5. Step 5: Solve for x
    x = 625,242,864,002.80/767,859.93
  6. Step 6: Final answer
    x = 814,266.82

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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.