Home / 654,716.79-982,116.71-205,455.39

Finding the Fourth Proportional to 654,716.79, 982,116.71 and 205,455.39

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Solution

The fourth proportional to 654,716.79, 982,116.71 and 205,455.39 is: 308,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,716.79 : 982,116.71 = 205,455.39 : x
  2. Step 2: Convert to fraction form
    654,716.79/982,116.71 = 205,455.39/x
  3. Step 3: Cross multiply
    654,716.79x = 982,116.71 × 205,455.39
  4. Step 4: Simplify right side
    654,716.79x = 201,781,170,651.29
  5. Step 5: Solve for x
    x = 201,781,170,651.29/654,716.79
  6. Step 6: Final answer
    x = 308,196.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.