Home / 1,185,335.82-1,635,763.29-641,471.58

Finding the Fourth Proportional to 1,185,335.82, 1,635,763.29 and 641,471.58

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Solution

The fourth proportional to 1,185,335.82, 1,635,763.29 and 641,471.58 is: 885,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,335.82 : 1,635,763.29 = 641,471.58 : x
  2. Step 2: Convert to fraction form
    1,185,335.82/1,635,763.29 = 641,471.58/x
  3. Step 3: Cross multiply
    1,185,335.82x = 1,635,763.29 × 641,471.58
  4. Step 4: Simplify right side
    1,185,335.82x = 1,049,295,662,142.30
  5. Step 5: Solve for x
    x = 1,049,295,662,142.30/1,185,335.82
  6. Step 6: Final answer
    x = 885,230.70

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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.