Home / 383,834.40-529,667.61-211,754.57

Finding the Fourth Proportional to 383,834.40, 529,667.61 and 211,754.57

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Solution

The fourth proportional to 383,834.40, 529,667.61 and 211,754.57 is: 292,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,834.40 : 529,667.61 = 211,754.57 : x
  2. Step 2: Convert to fraction form
    383,834.40/529,667.61 = 211,754.57/x
  3. Step 3: Cross multiply
    383,834.40x = 529,667.61 × 211,754.57
  4. Step 4: Simplify right side
    383,834.40x = 112,159,534,350.14
  5. Step 5: Solve for x
    x = 112,159,534,350.14/383,834.40
  6. Step 6: Final answer
    x = 292,208.14

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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.