Home / 887,299.16-1,330,686.30-256,218.44

Finding the Fourth Proportional to 887,299.16, 1,330,686.30 and 256,218.44

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Solution

The fourth proportional to 887,299.16, 1,330,686.30 and 256,218.44 is: 384,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,299.16 : 1,330,686.30 = 256,218.44 : x
  2. Step 2: Convert to fraction form
    887,299.16/1,330,686.30 = 256,218.44/x
  3. Step 3: Cross multiply
    887,299.16x = 1,330,686.30 × 256,218.44
  4. Step 4: Simplify right side
    887,299.16x = 340,946,367,915.37
  5. Step 5: Solve for x
    x = 340,946,367,915.37/887,299.16
  6. Step 6: Final answer
    x = 384,251.88

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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.