Home / 790,383.25-1,185,577.89-191,343.43

Finding the Fourth Proportional to 790,383.25, 1,185,577.89 and 191,343.43

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Solution

The fourth proportional to 790,383.25, 1,185,577.89 and 191,343.43 is: 287,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,383.25 : 1,185,577.89 = 191,343.43 : x
  2. Step 2: Convert to fraction form
    790,383.25/1,185,577.89 = 191,343.43/x
  3. Step 3: Cross multiply
    790,383.25x = 1,185,577.89 × 191,343.43
  4. Step 4: Simplify right side
    790,383.25x = 226,852,540,004.76
  5. Step 5: Solve for x
    x = 226,852,540,004.76/790,383.25
  6. Step 6: Final answer
    x = 287,015.87

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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.