Home / 451,170.56-622,621.52-247,217.44

Finding the Fourth Proportional to 451,170.56, 622,621.52 and 247,217.44

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Solution

The fourth proportional to 451,170.56, 622,621.52 and 247,217.44 is: 341,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,170.56 : 622,621.52 = 247,217.44 : x
  2. Step 2: Convert to fraction form
    451,170.56/622,621.52 = 247,217.44/x
  3. Step 3: Cross multiply
    451,170.56x = 622,621.52 × 247,217.44
  4. Step 4: Simplify right side
    451,170.56x = 153,922,898,263.31
  5. Step 5: Solve for x
    x = 153,922,898,263.31/451,170.56
  6. Step 6: Final answer
    x = 341,163.44

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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.