Home / 852,958.62-1,279,880.73-347,890.14

Finding the Fourth Proportional to 852,958.62, 1,279,880.73 and 347,890.14

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Solution

The fourth proportional to 852,958.62, 1,279,880.73 and 347,890.14 is: 522,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,958.62 : 1,279,880.73 = 347,890.14 : x
  2. Step 2: Convert to fraction form
    852,958.62/1,279,880.73 = 347,890.14/x
  3. Step 3: Cross multiply
    852,958.62x = 1,279,880.73 × 347,890.14
  4. Step 4: Simplify right side
    852,958.62x = 445,257,886,343.00
  5. Step 5: Solve for x
    x = 445,257,886,343.00/852,958.62
  6. Step 6: Final answer
    x = 522,015.81

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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.