Home / 451,280.26-622,369.27-279,170.89

Finding the Fourth Proportional to 451,280.26, 622,369.27 and 279,170.89

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Solution

The fourth proportional to 451,280.26, 622,369.27 and 279,170.89 is: 385,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,280.26 : 622,369.27 = 279,170.89 : x
  2. Step 2: Convert to fraction form
    451,280.26/622,369.27 = 279,170.89/x
  3. Step 3: Cross multiply
    451,280.26x = 622,369.27 × 279,170.89
  4. Step 4: Simplify right side
    451,280.26x = 173,747,383,014.55
  5. Step 5: Solve for x
    x = 173,747,383,014.55/451,280.26
  6. Step 6: Final answer
    x = 385,009.93

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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.