Home / 756,082.70-1,134,124.05-223,556.30

Finding the Fourth Proportional to 756,082.70, 1,134,124.05 and 223,556.30

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Solution

The fourth proportional to 756,082.70, 1,134,124.05 and 223,556.30 is: 335,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,082.70 : 1,134,124.05 = 223,556.30 : x
  2. Step 2: Convert to fraction form
    756,082.70/1,134,124.05 = 223,556.30/x
  3. Step 3: Cross multiply
    756,082.70x = 1,134,124.05 × 223,556.30
  4. Step 4: Simplify right side
    756,082.70x = 253,540,576,359.02
  5. Step 5: Solve for x
    x = 253,540,576,359.02/756,082.70
  6. Step 6: Final answer
    x = 335,334.45

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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.