Home / 705,706.43-1,058,625.18-200,279.79

Finding the Fourth Proportional to 705,706.43, 1,058,625.18 and 200,279.79

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Solution

The fourth proportional to 705,706.43, 1,058,625.18 and 200,279.79 is: 300,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,706.43 : 1,058,625.18 = 200,279.79 : x
  2. Step 2: Convert to fraction form
    705,706.43/1,058,625.18 = 200,279.79/x
  3. Step 3: Cross multiply
    705,706.43x = 1,058,625.18 × 200,279.79
  4. Step 4: Simplify right side
    705,706.43x = 212,021,228,739.11
  5. Step 5: Solve for x
    x = 212,021,228,739.11/705,706.43
  6. Step 6: Final answer
    x = 300,438.29

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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.