Home / 842,917.21-1,162,449.56-552,422.97

Finding the Fourth Proportional to 842,917.21, 1,162,449.56 and 552,422.97

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Solution

The fourth proportional to 842,917.21, 1,162,449.56 and 552,422.97 is: 761,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,917.21 : 1,162,449.56 = 552,422.97 : x
  2. Step 2: Convert to fraction form
    842,917.21/1,162,449.56 = 552,422.97/x
  3. Step 3: Cross multiply
    842,917.21x = 1,162,449.56 × 552,422.97
  4. Step 4: Simplify right side
    842,917.21x = 642,163,839,791.45
  5. Step 5: Solve for x
    x = 642,163,839,791.45/842,917.21
  6. Step 6: Final answer
    x = 761,835.01

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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.