Home / 384,469.17-530,567.06-214,703.43

Finding the Fourth Proportional to 384,469.17, 530,567.06 and 214,703.43

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Solution

The fourth proportional to 384,469.17, 530,567.06 and 214,703.43 is: 296,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,469.17 : 530,567.06 = 214,703.43 : x
  2. Step 2: Convert to fraction form
    384,469.17/530,567.06 = 214,703.43/x
  3. Step 3: Cross multiply
    384,469.17x = 530,567.06 × 214,703.43
  4. Step 4: Simplify right side
    384,469.17x = 113,914,566,553.50
  5. Step 5: Solve for x
    x = 113,914,566,553.50/384,469.17
  6. Step 6: Final answer
    x = 296,290.51

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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.