Home / 384,717.20-530,937.23-212,631.46

Finding the Fourth Proportional to 384,717.20, 530,937.23 and 212,631.46

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Solution

The fourth proportional to 384,717.20, 530,937.23 and 212,631.46 is: 293,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,717.20 : 530,937.23 = 212,631.46 : x
  2. Step 2: Convert to fraction form
    384,717.20/530,937.23 = 212,631.46/x
  3. Step 3: Cross multiply
    384,717.20x = 530,937.23 × 212,631.46
  4. Step 4: Simplify right side
    384,717.20x = 112,893,958,383.26
  5. Step 5: Solve for x
    x = 112,893,958,383.26/384,717.20
  6. Step 6: Final answer
    x = 293,446.61

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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.