Home / 873,819.14-1,311,238.20-368,349.18

Finding the Fourth Proportional to 873,819.14, 1,311,238.20 and 368,349.18

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Solution

The fourth proportional to 873,819.14, 1,311,238.20 and 368,349.18 is: 552,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,819.14 : 1,311,238.20 = 368,349.18 : x
  2. Step 2: Convert to fraction form
    873,819.14/1,311,238.20 = 368,349.18/x
  3. Step 3: Cross multiply
    873,819.14x = 1,311,238.20 × 368,349.18
  4. Step 4: Simplify right side
    873,819.14x = 482,993,515,754.68
  5. Step 5: Solve for x
    x = 482,993,515,754.68/873,819.14
  6. Step 6: Final answer
    x = 552,738.54

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1.5x scale

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.