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Finding the Fourth Proportional to 1,194,251.87, 1,789,883.88 and 940,530.30

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Solution

The fourth proportional to 1,194,251.87, 1,789,883.88 and 940,530.30 is: 1,409,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,251.87 : 1,789,883.88 = 940,530.30 : x
  2. Step 2: Convert to fraction form
    1,194,251.87/1,789,883.88 = 940,530.30/x
  3. Step 3: Cross multiply
    1,194,251.87x = 1,789,883.88 × 940,530.30
  4. Step 4: Simplify right side
    1,194,251.87x = 1,683,440,022,621.56
  5. Step 5: Solve for x
    x = 1,683,440,022,621.56/1,194,251.87
  6. Step 6: Final answer
    x = 1,409,618.92

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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.