Home / 643,624.44-888,374.07-401,761.41

Finding the Fourth Proportional to 643,624.44, 888,374.07 and 401,761.41

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Solution

The fourth proportional to 643,624.44, 888,374.07 and 401,761.41 is: 554,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,624.44 : 888,374.07 = 401,761.41 : x
  2. Step 2: Convert to fraction form
    643,624.44/888,374.07 = 401,761.41/x
  3. Step 3: Cross multiply
    643,624.44x = 888,374.07 × 401,761.41
  4. Step 4: Simplify right side
    643,624.44x = 356,914,418,970.64
  5. Step 5: Solve for x
    x = 356,914,418,970.64/643,624.44
  6. Step 6: Final answer
    x = 554,538.33

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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.