Home / 591,208.75-815,871.36-322,936.75

Finding the Fourth Proportional to 591,208.75, 815,871.36 and 322,936.75

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Solution

The fourth proportional to 591,208.75, 815,871.36 and 322,936.75 is: 445,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,208.75 : 815,871.36 = 322,936.75 : x
  2. Step 2: Convert to fraction form
    591,208.75/815,871.36 = 322,936.75/x
  3. Step 3: Cross multiply
    591,208.75x = 815,871.36 × 322,936.75
  4. Step 4: Simplify right side
    591,208.75x = 263,474,845,416.48
  5. Step 5: Solve for x
    x = 263,474,845,416.48/591,208.75
  6. Step 6: Final answer
    x = 445,654.51

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1.5x scale

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.