Home / 511,232.09-705,468.45-281,791.19

Finding the Fourth Proportional to 511,232.09, 705,468.45 and 281,791.19

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Solution

The fourth proportional to 511,232.09, 705,468.45 and 281,791.19 is: 388,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,232.09 : 705,468.45 = 281,791.19 : x
  2. Step 2: Convert to fraction form
    511,232.09/705,468.45 = 281,791.19/x
  3. Step 3: Cross multiply
    511,232.09x = 705,468.45 × 281,791.19
  4. Step 4: Simplify right side
    511,232.09x = 198,794,794,672.47
  5. Step 5: Solve for x
    x = 198,794,794,672.47/511,232.09
  6. Step 6: Final answer
    x = 388,854.29

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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.