Home / 386,766.12-533,728.86-214,673.96

Finding the Fourth Proportional to 386,766.12, 533,728.86 and 214,673.96

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Solution

The fourth proportional to 386,766.12, 533,728.86 and 214,673.96 is: 296,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,766.12 : 533,728.86 = 214,673.96 : x
  2. Step 2: Convert to fraction form
    386,766.12/533,728.86 = 214,673.96/x
  3. Step 3: Cross multiply
    386,766.12x = 533,728.86 × 214,673.96
  4. Step 4: Simplify right side
    386,766.12x = 114,577,687,942.49
  5. Step 5: Solve for x
    x = 114,577,687,942.49/386,766.12
  6. Step 6: Final answer
    x = 296,245.41

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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.