Home / 1,185,297.71-1,635,714.96-641,433.36

Finding the Fourth Proportional to 1,185,297.71, 1,635,714.96 and 641,433.36

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Solution

The fourth proportional to 1,185,297.71, 1,635,714.96 and 641,433.36 is: 885,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,297.71 : 1,635,714.96 = 641,433.36 : x
  2. Step 2: Convert to fraction form
    1,185,297.71/1,635,714.96 = 641,433.36/x
  3. Step 3: Cross multiply
    1,185,297.71x = 1,635,714.96 × 641,433.36
  4. Step 4: Simplify right side
    1,185,297.71x = 1,049,202,142,795.07
  5. Step 5: Solve for x
    x = 1,049,202,142,795.07/1,185,297.71
  6. Step 6: Final answer
    x = 885,180.27

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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.