Home / 377,985.43-521,529.19-214,605.73

Finding the Fourth Proportional to 377,985.43, 521,529.19 and 214,605.73

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Solution

The fourth proportional to 377,985.43, 521,529.19 and 214,605.73 is: 296,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,985.43 : 521,529.19 = 214,605.73 : x
  2. Step 2: Convert to fraction form
    377,985.43/521,529.19 = 214,605.73/x
  3. Step 3: Cross multiply
    377,985.43x = 521,529.19 × 214,605.73
  4. Step 4: Simplify right side
    377,985.43x = 111,923,152,536.26
  5. Step 5: Solve for x
    x = 111,923,152,536.26/377,985.43
  6. Step 6: Final answer
    x = 296,104.41

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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.