Home / 1,336,481.19-1,999,932.89-1,157,185.17

Finding the Fourth Proportional to 1,336,481.19, 1,999,932.89 and 1,157,185.17

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Solution

The fourth proportional to 1,336,481.19, 1,999,932.89 and 1,157,185.17 is: 1,731,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,481.19 : 1,999,932.89 = 1,157,185.17 : x
  2. Step 2: Convert to fraction form
    1,336,481.19/1,999,932.89 = 1,157,185.17/x
  3. Step 3: Cross multiply
    1,336,481.19x = 1,999,932.89 × 1,157,185.17
  4. Step 4: Simplify right side
    1,336,481.19x = 2,314,292,675,517.32
  5. Step 5: Solve for x
    x = 2,314,292,675,517.32/1,336,481.19
  6. Step 6: Final answer
    x = 1,731,631.31

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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.