Home / 969,717.62-1,454,078.44-520,816.28

Finding the Fourth Proportional to 969,717.62, 1,454,078.44 and 520,816.28

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Solution

The fourth proportional to 969,717.62, 1,454,078.44 and 520,816.28 is: 780,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,717.62 : 1,454,078.44 = 520,816.28 : x
  2. Step 2: Convert to fraction form
    969,717.62/1,454,078.44 = 520,816.28/x
  3. Step 3: Cross multiply
    969,717.62x = 1,454,078.44 × 520,816.28
  4. Step 4: Simplify right side
    969,717.62x = 757,307,722,579.23
  5. Step 5: Solve for x
    x = 757,307,722,579.23/969,717.62
  6. Step 6: Final answer
    x = 780,956.96

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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.