Home / 1,422,447.89-1,961,667.92-932,238.84

Finding the Fourth Proportional to 1,422,447.89, 1,961,667.92 and 932,238.84

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Solution

The fourth proportional to 1,422,447.89, 1,961,667.92 and 932,238.84 is: 1,285,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,447.89 : 1,961,667.92 = 932,238.84 : x
  2. Step 2: Convert to fraction form
    1,422,447.89/1,961,667.92 = 932,238.84/x
  3. Step 3: Cross multiply
    1,422,447.89x = 1,961,667.92 × 932,238.84
  4. Step 4: Simplify right side
    1,422,447.89x = 1,828,743,024,858.48
  5. Step 5: Solve for x
    x = 1,828,743,024,858.48/1,422,447.89
  6. Step 6: Final answer
    x = 1,285,630.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.