Home / 886,617.26-1,330,112.75-287,531.72

Finding the Fourth Proportional to 886,617.26, 1,330,112.75 and 287,531.72

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Solution

The fourth proportional to 886,617.26, 1,330,112.75 and 287,531.72 is: 431,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,617.26 : 1,330,112.75 = 287,531.72 : x
  2. Step 2: Convert to fraction form
    886,617.26/1,330,112.75 = 287,531.72/x
  3. Step 3: Cross multiply
    886,617.26x = 1,330,112.75 × 287,531.72
  4. Step 4: Simplify right side
    886,617.26x = 382,449,611,183.02
  5. Step 5: Solve for x
    x = 382,449,611,183.02/886,617.26
  6. Step 6: Final answer
    x = 431,358.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.