Home / 386,740.60-533,734.17-214,674.73

Finding the Fourth Proportional to 386,740.60, 533,734.17 and 214,674.73

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Solution

The fourth proportional to 386,740.60, 533,734.17 and 214,674.73 is: 296,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,740.60 : 533,734.17 = 214,674.73 : x
  2. Step 2: Convert to fraction form
    386,740.60/533,734.17 = 214,674.73/x
  3. Step 3: Cross multiply
    386,740.60x = 533,734.17 × 214,674.73
  4. Step 4: Simplify right side
    386,740.60x = 114,579,238,836.52
  5. Step 5: Solve for x
    x = 114,579,238,836.52/386,740.60
  6. Step 6: Final answer
    x = 296,268.97

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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.