Home / 382,152.75-527,910.39-306,176.37

Finding the Fourth Proportional to 382,152.75, 527,910.39 and 306,176.37

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Solution

The fourth proportional to 382,152.75, 527,910.39 and 306,176.37 is: 422,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,152.75 : 527,910.39 = 306,176.37 : x
  2. Step 2: Convert to fraction form
    382,152.75/527,910.39 = 306,176.37/x
  3. Step 3: Cross multiply
    382,152.75x = 527,910.39 × 306,176.37
  4. Step 4: Simplify right side
    382,152.75x = 161,633,686,895.48
  5. Step 5: Solve for x
    x = 161,633,686,895.48/382,152.75
  6. Step 6: Final answer
    x = 422,955.71

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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.