Home / 1,185,323.19-1,635,750.08-641,458.82

Finding the Fourth Proportional to 1,185,323.19, 1,635,750.08 and 641,458.82

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Solution

The fourth proportional to 1,185,323.19, 1,635,750.08 and 641,458.82 is: 885,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,323.19 : 1,635,750.08 = 641,458.82 : x
  2. Step 2: Convert to fraction form
    1,185,323.19/1,635,750.08 = 641,458.82/x
  3. Step 3: Cross multiply
    1,185,323.19x = 1,635,750.08 × 641,458.82
  4. Step 4: Simplify right side
    1,185,323.19x = 1,049,266,304,745.66
  5. Step 5: Solve for x
    x = 1,049,266,304,745.66/1,185,323.19
  6. Step 6: Final answer
    x = 885,215.37

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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.