Home / 451,160.28-622,601.34-247,209.54

Finding the Fourth Proportional to 451,160.28, 622,601.34 and 247,209.54

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Solution

The fourth proportional to 451,160.28, 622,601.34 and 247,209.54 is: 341,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,160.28 : 622,601.34 = 247,209.54 : x
  2. Step 2: Convert to fraction form
    451,160.28/622,601.34 = 247,209.54/x
  3. Step 3: Cross multiply
    451,160.28x = 622,601.34 × 247,209.54
  4. Step 4: Simplify right side
    451,160.28x = 153,912,990,864.78
  5. Step 5: Solve for x
    x = 153,912,990,864.78/451,160.28
  6. Step 6: Final answer
    x = 341,149.25

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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.