Home / 1,296,694.08-1,945,330.29-398,226.49

Finding the Fourth Proportional to 1,296,694.08, 1,945,330.29 and 398,226.49

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Solution

The fourth proportional to 1,296,694.08, 1,945,330.29 and 398,226.49 is: 597,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,694.08 : 1,945,330.29 = 398,226.49 : x
  2. Step 2: Convert to fraction form
    1,296,694.08/1,945,330.29 = 398,226.49/x
  3. Step 3: Cross multiply
    1,296,694.08x = 1,945,330.29 × 398,226.49
  4. Step 4: Simplify right side
    1,296,694.08x = 774,682,048,414.06
  5. Step 5: Solve for x
    x = 774,682,048,414.06/1,296,694.08
  6. Step 6: Final answer
    x = 597,428.54

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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.