Home / 928,735.72-1,393,105.05-254,826.25

Finding the Fourth Proportional to 928,735.72, 1,393,105.05 and 254,826.25

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Solution

The fourth proportional to 928,735.72, 1,393,105.05 and 254,826.25 is: 382,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,735.72 : 1,393,105.05 = 254,826.25 : x
  2. Step 2: Convert to fraction form
    928,735.72/1,393,105.05 = 254,826.25/x
  3. Step 3: Cross multiply
    928,735.72x = 1,393,105.05 × 254,826.25
  4. Step 4: Simplify right side
    928,735.72x = 354,999,735,747.56
  5. Step 5: Solve for x
    x = 354,999,735,747.56/928,735.72
  6. Step 6: Final answer
    x = 382,239.78

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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.