Home / 705,814.94-1,058,457.45-256,424.78

Finding the Fourth Proportional to 705,814.94, 1,058,457.45 and 256,424.78

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Solution

The fourth proportional to 705,814.94, 1,058,457.45 and 256,424.78 is: 384,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,814.94 : 1,058,457.45 = 256,424.78 : x
  2. Step 2: Convert to fraction form
    705,814.94/1,058,457.45 = 256,424.78/x
  3. Step 3: Cross multiply
    705,814.94x = 1,058,457.45 × 256,424.78
  4. Step 4: Simplify right side
    705,814.94x = 271,414,718,755.61
  5. Step 5: Solve for x
    x = 271,414,718,755.61/705,814.94
  6. Step 6: Final answer
    x = 384,540.91

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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.