Home / 1,297,190.30-1,945,785.45-825,964.70

Finding the Fourth Proportional to 1,297,190.30, 1,945,785.45 and 825,964.70

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Solution

The fourth proportional to 1,297,190.30, 1,945,785.45 and 825,964.70 is: 1,238,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,190.30 : 1,945,785.45 = 825,964.70 : x
  2. Step 2: Convert to fraction form
    1,297,190.30/1,945,785.45 = 825,964.70/x
  3. Step 3: Cross multiply
    1,297,190.30x = 1,945,785.45 × 825,964.70
  4. Step 4: Simplify right side
    1,297,190.30x = 1,607,150,095,473.62
  5. Step 5: Solve for x
    x = 1,607,150,095,473.62/1,297,190.30
  6. Step 6: Final answer
    x = 1,238,947.05

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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.