Home / 728,531.88-1,092,699.38-196,084.86

Finding the Fourth Proportional to 728,531.88, 1,092,699.38 and 196,084.86

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Solution

The fourth proportional to 728,531.88, 1,092,699.38 and 196,084.86 is: 294,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,531.88 : 1,092,699.38 = 196,084.86 : x
  2. Step 2: Convert to fraction form
    728,531.88/1,092,699.38 = 196,084.86/x
  3. Step 3: Cross multiply
    728,531.88x = 1,092,699.38 × 196,084.86
  4. Step 4: Simplify right side
    728,531.88x = 214,261,804,949.39
  5. Step 5: Solve for x
    x = 214,261,804,949.39/728,531.88
  6. Step 6: Final answer
    x = 294,100.79

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1.5x scale

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.