Home / 683,132.28-1,024,170.45-256,659.06

Finding the Fourth Proportional to 683,132.28, 1,024,170.45 and 256,659.06

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Solution

The fourth proportional to 683,132.28, 1,024,170.45 and 256,659.06 is: 384,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,132.28 : 1,024,170.45 = 256,659.06 : x
  2. Step 2: Convert to fraction form
    683,132.28/1,024,170.45 = 256,659.06/x
  3. Step 3: Cross multiply
    683,132.28x = 1,024,170.45 × 256,659.06
  4. Step 4: Simplify right side
    683,132.28x = 262,862,624,976.78
  5. Step 5: Solve for x
    x = 262,862,624,976.78/683,132.28
  6. Step 6: Final answer
    x = 384,790.23

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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.