Home / 705,398.16-1,058,091.57-419,193.30

Finding the Fourth Proportional to 705,398.16, 1,058,091.57 and 419,193.30

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Solution

The fourth proportional to 705,398.16, 1,058,091.57 and 419,193.30 is: 628,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,398.16 : 1,058,091.57 = 419,193.30 : x
  2. Step 2: Convert to fraction form
    705,398.16/1,058,091.57 = 419,193.30/x
  3. Step 3: Cross multiply
    705,398.16x = 1,058,091.57 × 419,193.30
  4. Step 4: Simplify right side
    705,398.16x = 443,544,896,930.48
  5. Step 5: Solve for x
    x = 443,544,896,930.48/705,398.16
  6. Step 6: Final answer
    x = 628,786.58

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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.