Home / 705,850.43-1,058,821.72-516,876.35

Finding the Fourth Proportional to 705,850.43, 1,058,821.72 and 516,876.35

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Solution

The fourth proportional to 705,850.43, 1,058,821.72 and 516,876.35 is: 775,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,850.43 : 1,058,821.72 = 516,876.35 : x
  2. Step 2: Convert to fraction form
    705,850.43/1,058,821.72 = 516,876.35/x
  3. Step 3: Cross multiply
    705,850.43x = 1,058,821.72 × 516,876.35
  4. Step 4: Simplify right side
    705,850.43x = 547,279,905,934.32
  5. Step 5: Solve for x
    x = 547,279,905,934.32/705,850.43
  6. Step 6: Final answer
    x = 775,348.26

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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.