Home / 914,460.39-1,371,469.04-381,692.61

Finding the Fourth Proportional to 914,460.39, 1,371,469.04 and 381,692.61

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Solution

The fourth proportional to 914,460.39, 1,371,469.04 and 381,692.61 is: 572,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,460.39 : 1,371,469.04 = 381,692.61 : x
  2. Step 2: Convert to fraction form
    914,460.39/1,371,469.04 = 381,692.61/x
  3. Step 3: Cross multiply
    914,460.39x = 1,371,469.04 × 381,692.61
  4. Step 4: Simplify right side
    914,460.39x = 523,479,597,411.79
  5. Step 5: Solve for x
    x = 523,479,597,411.79/914,460.39
  6. Step 6: Final answer
    x = 572,446.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.