Home / 1,410,112.98-1,945,976.13-765,534.42

Finding the Fourth Proportional to 1,410,112.98, 1,945,976.13 and 765,534.42

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Solution

The fourth proportional to 1,410,112.98, 1,945,976.13 and 765,534.42 is: 1,056,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,112.98 : 1,945,976.13 = 765,534.42 : x
  2. Step 2: Convert to fraction form
    1,410,112.98/1,945,976.13 = 765,534.42/x
  3. Step 3: Cross multiply
    1,410,112.98x = 1,945,976.13 × 765,534.42
  4. Step 4: Simplify right side
    1,410,112.98x = 1,489,711,708,013.39
  5. Step 5: Solve for x
    x = 1,489,711,708,013.39/1,410,112.98
  6. Step 6: Final answer
    x = 1,056,448.48

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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.