Home / 654,724.88-982,128.83-205,463.46

Finding the Fourth Proportional to 654,724.88, 982,128.83 and 205,463.46

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Solution

The fourth proportional to 654,724.88, 982,128.83 and 205,463.46 is: 308,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,724.88 : 982,128.83 = 205,463.46 : x
  2. Step 2: Convert to fraction form
    654,724.88/982,128.83 = 205,463.46/x
  3. Step 3: Cross multiply
    654,724.88x = 982,128.83 × 205,463.46
  4. Step 4: Simplify right side
    654,724.88x = 201,791,586,550.24
  5. Step 5: Solve for x
    x = 201,791,586,550.24/654,724.88
  6. Step 6: Final answer
    x = 308,208.22

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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.