Home / 437,516.54-655,255.08-422,363.36

Finding the Fourth Proportional to 437,516.54, 655,255.08 and 422,363.36

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Solution

The fourth proportional to 437,516.54, 655,255.08 and 422,363.36 is: 632,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,516.54 : 655,255.08 = 422,363.36 : x
  2. Step 2: Convert to fraction form
    437,516.54/655,255.08 = 422,363.36/x
  3. Step 3: Cross multiply
    437,516.54x = 655,255.08 × 422,363.36
  4. Step 4: Simplify right side
    437,516.54x = 276,755,738,884.01
  5. Step 5: Solve for x
    x = 276,755,738,884.01/437,516.54
  6. Step 6: Final answer
    x = 632,560.63

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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.