Home / 547,546.55-755,606.27-305,832.56

Finding the Fourth Proportional to 547,546.55, 755,606.27 and 305,832.56

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Solution

The fourth proportional to 547,546.55, 755,606.27 and 305,832.56 is: 422,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,546.55 : 755,606.27 = 305,832.56 : x
  2. Step 2: Convert to fraction form
    547,546.55/755,606.27 = 305,832.56/x
  3. Step 3: Cross multiply
    547,546.55x = 755,606.27 × 305,832.56
  4. Step 4: Simplify right side
    547,546.55x = 231,088,996,892.70
  5. Step 5: Solve for x
    x = 231,088,996,892.70/547,546.55
  6. Step 6: Final answer
    x = 422,044.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.