Home / 1,555,344-2,146,374.81-839,952

Finding the Fourth Proportional to 1,555,344, 2,146,374.81 and 839,952

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Solution

The fourth proportional to 1,555,344, 2,146,374.81 and 839,952 is: 1,159,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,344 : 2,146,374.81 = 839,952 : x
  2. Step 2: Convert to fraction form
    1,555,344/2,146,374.81 = 839,952/x
  3. Step 3: Cross multiply
    1,555,344x = 2,146,374.81 × 839,952
  4. Step 4: Simplify right side
    1,555,344x = 1,802,851,814,409.12
  5. Step 5: Solve for x
    x = 1,802,851,814,409.12/1,555,344
  6. Step 6: Final answer
    x = 1,159,133.81

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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.