Home / 511,166.94-705,381.60-281,723.52

Finding the Fourth Proportional to 511,166.94, 705,381.60 and 281,723.52

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Solution

The fourth proportional to 511,166.94, 705,381.60 and 281,723.52 is: 388,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,166.94 : 705,381.60 = 281,723.52 : x
  2. Step 2: Convert to fraction form
    511,166.94/705,381.60 = 281,723.52/x
  3. Step 3: Cross multiply
    511,166.94x = 705,381.60 × 281,723.52
  4. Step 4: Simplify right side
    511,166.94x = 198,722,589,412.18
  5. Step 5: Solve for x
    x = 198,722,589,412.18/511,166.94
  6. Step 6: Final answer
    x = 388,762.60

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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.