Home / 384,752.11-530,956.77-214,986.37

Finding the Fourth Proportional to 384,752.11, 530,956.77 and 214,986.37

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Solution

The fourth proportional to 384,752.11, 530,956.77 and 214,986.37 is: 296,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,752.11 : 530,956.77 = 214,986.37 : x
  2. Step 2: Convert to fraction form
    384,752.11/530,956.77 = 214,986.37/x
  3. Step 3: Cross multiply
    384,752.11x = 530,956.77 × 214,986.37
  4. Step 4: Simplify right side
    384,752.11x = 114,148,468,609.23
  5. Step 5: Solve for x
    x = 114,148,468,609.23/384,752.11
  6. Step 6: Final answer
    x = 296,680.55

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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.