Home / 865,906.80-1,194,964.92-483,958.32

Finding the Fourth Proportional to 865,906.80, 1,194,964.92 and 483,958.32

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Solution

The fourth proportional to 865,906.80, 1,194,964.92 and 483,958.32 is: 667,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,906.80 : 1,194,964.92 = 483,958.32 : x
  2. Step 2: Convert to fraction form
    865,906.80/1,194,964.92 = 483,958.32/x
  3. Step 3: Cross multiply
    865,906.80x = 1,194,964.92 × 483,958.32
  4. Step 4: Simplify right side
    865,906.80x = 578,313,215,142.13
  5. Step 5: Solve for x
    x = 578,313,215,142.13/865,906.80
  6. Step 6: Final answer
    x = 667,870.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.