Home / 767,736.32-1,150,670.55-543,161.49

Finding the Fourth Proportional to 767,736.32, 1,150,670.55 and 543,161.49

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Solution

The fourth proportional to 767,736.32, 1,150,670.55 and 543,161.49 is: 814,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,736.32 : 1,150,670.55 = 543,161.49 : x
  2. Step 2: Convert to fraction form
    767,736.32/1,150,670.55 = 543,161.49/x
  3. Step 3: Cross multiply
    767,736.32x = 1,150,670.55 × 543,161.49
  4. Step 4: Simplify right side
    767,736.32x = 624,999,928,158.96
  5. Step 5: Solve for x
    x = 624,999,928,158.96/767,736.32
  6. Step 6: Final answer
    x = 814,081.50

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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.