Home / 1,332,203.82-1,838,403.63-728,578.86

Finding the Fourth Proportional to 1,332,203.82, 1,838,403.63 and 728,578.86

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Solution

The fourth proportional to 1,332,203.82, 1,838,403.63 and 728,578.86 is: 1,005,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,203.82 : 1,838,403.63 = 728,578.86 : x
  2. Step 2: Convert to fraction form
    1,332,203.82/1,838,403.63 = 728,578.86/x
  3. Step 3: Cross multiply
    1,332,203.82x = 1,838,403.63 × 728,578.86
  4. Step 4: Simplify right side
    1,332,203.82x = 1,339,422,020,965.26
  5. Step 5: Solve for x
    x = 1,339,422,020,965.26/1,332,203.82
  6. Step 6: Final answer
    x = 1,005,418.24

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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.