Home / 762,093.97-1,143,140.99-256,612.64

Finding the Fourth Proportional to 762,093.97, 1,143,140.99 and 256,612.64

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Solution

The fourth proportional to 762,093.97, 1,143,140.99 and 256,612.64 is: 384,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,093.97 : 1,143,140.99 = 256,612.64 : x
  2. Step 2: Convert to fraction form
    762,093.97/1,143,140.99 = 256,612.64/x
  3. Step 3: Cross multiply
    762,093.97x = 1,143,140.99 × 256,612.64
  4. Step 4: Simplify right side
    762,093.97x = 293,344,420,337.35
  5. Step 5: Solve for x
    x = 293,344,420,337.35/762,093.97
  6. Step 6: Final answer
    x = 384,918.96

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Double scale
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Similar ratio
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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.