Home / 256,519.55-384,768.38-250,512.59

Finding the Fourth Proportional to 256,519.55, 384,768.38 and 250,512.59

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Solution

The fourth proportional to 256,519.55, 384,768.38 and 250,512.59 is: 375,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519.55 : 384,768.38 = 250,512.59 : x
  2. Step 2: Convert to fraction form
    256,519.55/384,768.38 = 250,512.59/x
  3. Step 3: Cross multiply
    256,519.55x = 384,768.38 × 250,512.59
  4. Step 4: Simplify right side
    256,519.55x = 96,389,325,012.11
  5. Step 5: Solve for x
    x = 96,389,325,012.11/256,519.55
  6. Step 6: Final answer
    x = 375,758.20

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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.