Home / 1,191,963.66-1,787,905.44-518,044.92

Finding the Fourth Proportional to 1,191,963.66, 1,787,905.44 and 518,044.92

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Solution

The fourth proportional to 1,191,963.66, 1,787,905.44 and 518,044.92 is: 777,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,963.66 : 1,787,905.44 = 518,044.92 : x
  2. Step 2: Convert to fraction form
    1,191,963.66/1,787,905.44 = 518,044.92/x
  3. Step 3: Cross multiply
    1,191,963.66x = 1,787,905.44 × 518,044.92
  4. Step 4: Simplify right side
    1,191,963.66x = 926,215,330,632.37
  5. Step 5: Solve for x
    x = 926,215,330,632.37/1,191,963.66
  6. Step 6: Final answer
    x = 777,049.97

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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.