Home / 659,564.53-989,517.37-386,241.56

Finding the Fourth Proportional to 659,564.53, 989,517.37 and 386,241.56

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Solution

The fourth proportional to 659,564.53, 989,517.37 and 386,241.56 is: 579,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,564.53 : 989,517.37 = 386,241.56 : x
  2. Step 2: Convert to fraction form
    659,564.53/989,517.37 = 386,241.56/x
  3. Step 3: Cross multiply
    659,564.53x = 989,517.37 × 386,241.56
  4. Step 4: Simplify right side
    659,564.53x = 382,192,736,723.64
  5. Step 5: Solve for x
    x = 382,192,736,723.64/659,564.53
  6. Step 6: Final answer
    x = 579,462.23

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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.