Home / 511,317.24-705,586.01-281,862.60

Finding the Fourth Proportional to 511,317.24, 705,586.01 and 281,862.60

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Solution

The fourth proportional to 511,317.24, 705,586.01 and 281,862.60 is: 388,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,317.24 : 705,586.01 = 281,862.60 : x
  2. Step 2: Convert to fraction form
    511,317.24/705,586.01 = 281,862.60/x
  3. Step 3: Cross multiply
    511,317.24x = 705,586.01 × 281,862.60
  4. Step 4: Simplify right side
    511,317.24x = 198,878,305,892.91
  5. Step 5: Solve for x
    x = 198,878,305,892.91/511,317.24
  6. Step 6: Final answer
    x = 388,952.87

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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.