Home / 706,161.40-1,058,908.38-256,568.74

Finding the Fourth Proportional to 706,161.40, 1,058,908.38 and 256,568.74

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Solution

The fourth proportional to 706,161.40, 1,058,908.38 and 256,568.74 is: 384,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,161.40 : 1,058,908.38 = 256,568.74 : x
  2. Step 2: Convert to fraction form
    706,161.40/1,058,908.38 = 256,568.74/x
  3. Step 3: Cross multiply
    706,161.40x = 1,058,908.38 × 256,568.74
  4. Step 4: Simplify right side
    706,161.40x = 271,682,788,832.04
  5. Step 5: Solve for x
    x = 271,682,788,832.04/706,161.40
  6. Step 6: Final answer
    x = 384,731.86

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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.