Home / 706,945.10-1,058,862.45-628,148.30

Finding the Fourth Proportional to 706,945.10, 1,058,862.45 and 628,148.30

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Solution

The fourth proportional to 706,945.10, 1,058,862.45 and 628,148.30 is: 940,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,945.10 : 1,058,862.45 = 628,148.30 : x
  2. Step 2: Convert to fraction form
    706,945.10/1,058,862.45 = 628,148.30/x
  3. Step 3: Cross multiply
    706,945.10x = 1,058,862.45 × 628,148.30
  4. Step 4: Simplify right side
    706,945.10x = 665,122,647,901.34
  5. Step 5: Solve for x
    x = 665,122,647,901.34/706,945.10
  6. Step 6: Final answer
    x = 940,840.59

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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.