Home / 558,749.34-836,789.94-321,593.49

Finding the Fourth Proportional to 558,749.34, 836,789.94 and 321,593.49

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Solution

The fourth proportional to 558,749.34, 836,789.94 and 321,593.49 is: 481,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,749.34 : 836,789.94 = 321,593.49 : x
  2. Step 2: Convert to fraction form
    558,749.34/836,789.94 = 321,593.49/x
  3. Step 3: Cross multiply
    558,749.34x = 836,789.94 × 321,593.49
  4. Step 4: Simplify right side
    558,749.34x = 269,106,197,201.49
  5. Step 5: Solve for x
    x = 269,106,197,201.49/558,749.34
  6. Step 6: Final answer
    x = 481,622.40

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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.