Home / 767,001.68-1,058,469.29-422,850.06

Finding the Fourth Proportional to 767,001.68, 1,058,469.29 and 422,850.06

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Solution

The fourth proportional to 767,001.68, 1,058,469.29 and 422,850.06 is: 583,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,001.68 : 1,058,469.29 = 422,850.06 : x
  2. Step 2: Convert to fraction form
    767,001.68/1,058,469.29 = 422,850.06/x
  3. Step 3: Cross multiply
    767,001.68x = 1,058,469.29 × 422,850.06
  4. Step 4: Simplify right side
    767,001.68x = 447,573,800,670.41
  5. Step 5: Solve for x
    x = 447,573,800,670.41/767,001.68
  6. Step 6: Final answer
    x = 583,536.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.