Home / 887,366.16-1,330,786.44-256,285.44

Finding the Fourth Proportional to 887,366.16, 1,330,786.44 and 256,285.44

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Solution

The fourth proportional to 887,366.16, 1,330,786.44 and 256,285.44 is: 384,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,366.16 : 1,330,786.44 = 256,285.44 : x
  2. Step 2: Convert to fraction form
    887,366.16/1,330,786.44 = 256,285.44/x
  3. Step 3: Cross multiply
    887,366.16x = 1,330,786.44 × 256,285.44
  4. Step 4: Simplify right side
    887,366.16x = 341,061,188,321.43
  5. Step 5: Solve for x
    x = 341,061,188,321.43/887,366.16
  6. Step 6: Final answer
    x = 384,352.26

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1.5x scale

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.