Home / 1,422,879.89-2,135,160.77-524,952.36

Finding the Fourth Proportional to 1,422,879.89, 2,135,160.77 and 524,952.36

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Solution

The fourth proportional to 1,422,879.89, 2,135,160.77 and 524,952.36 is: 787,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,879.89 : 2,135,160.77 = 524,952.36 : x
  2. Step 2: Convert to fraction form
    1,422,879.89/2,135,160.77 = 524,952.36/x
  3. Step 3: Cross multiply
    1,422,879.89x = 2,135,160.77 × 524,952.36
  4. Step 4: Simplify right side
    1,422,879.89x = 1,120,857,682,566.16
  5. Step 5: Solve for x
    x = 1,120,857,682,566.16/1,422,879.89
  6. Step 6: Final answer
    x = 787,738.79

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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.