Home / 387,092.26-534,173.60-217,333.54

Finding the Fourth Proportional to 387,092.26, 534,173.60 and 217,333.54

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Solution

The fourth proportional to 387,092.26, 534,173.60 and 217,333.54 is: 299,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,092.26 : 534,173.60 = 217,333.54 : x
  2. Step 2: Convert to fraction form
    387,092.26/534,173.60 = 217,333.54/x
  3. Step 3: Cross multiply
    387,092.26x = 534,173.60 × 217,333.54
  4. Step 4: Simplify right side
    387,092.26x = 116,093,839,462.54
  5. Step 5: Solve for x
    x = 116,093,839,462.54/387,092.26
  6. Step 6: Final answer
    x = 299,912.58

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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.