Home / 705,310.38-1,058,170.50-256,024.08

Finding the Fourth Proportional to 705,310.38, 1,058,170.50 and 256,024.08

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Solution

The fourth proportional to 705,310.38, 1,058,170.50 and 256,024.08 is: 384,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,310.38 : 1,058,170.50 = 256,024.08 : x
  2. Step 2: Convert to fraction form
    705,310.38/1,058,170.50 = 256,024.08/x
  3. Step 3: Cross multiply
    705,310.38x = 1,058,170.50 × 256,024.08
  4. Step 4: Simplify right side
    705,310.38x = 270,917,128,745.64
  5. Step 5: Solve for x
    x = 270,917,128,745.64/705,310.38
  6. Step 6: Final answer
    x = 384,110.51

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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.