Home / 1,285,758.78-1,928,767.77-339,194.94

Finding the Fourth Proportional to 1,285,758.78, 1,928,767.77 and 339,194.94

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Solution

The fourth proportional to 1,285,758.78, 1,928,767.77 and 339,194.94 is: 508,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,758.78 : 1,928,767.77 = 339,194.94 : x
  2. Step 2: Convert to fraction form
    1,285,758.78/1,928,767.77 = 339,194.94/x
  3. Step 3: Cross multiply
    1,285,758.78x = 1,928,767.77 × 339,194.94
  4. Step 4: Simplify right side
    1,285,758.78x = 654,228,268,019.08
  5. Step 5: Solve for x
    x = 654,228,268,019.08/1,285,758.78
  6. Step 6: Final answer
    x = 508,826.60

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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.