Home / 386,965.82-533,994.87-214,894.70

Finding the Fourth Proportional to 386,965.82, 533,994.87 and 214,894.70

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Solution

The fourth proportional to 386,965.82, 533,994.87 and 214,894.70 is: 296,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,965.82 : 533,994.87 = 214,894.70 : x
  2. Step 2: Convert to fraction form
    386,965.82/533,994.87 = 214,894.70/x
  3. Step 3: Cross multiply
    386,965.82x = 533,994.87 × 214,894.70
  4. Step 4: Simplify right side
    386,965.82x = 114,752,667,390.19
  5. Step 5: Solve for x
    x = 114,752,667,390.19/386,965.82
  6. Step 6: Final answer
    x = 296,544.71

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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.