Home / 705,386.42-1,058,073.99-419,181.58

Finding the Fourth Proportional to 705,386.42, 1,058,073.99 and 419,181.58

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Solution

The fourth proportional to 705,386.42, 1,058,073.99 and 419,181.58 is: 628,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,386.42 : 1,058,073.99 = 419,181.58 : x
  2. Step 2: Convert to fraction form
    705,386.42/1,058,073.99 = 419,181.58/x
  3. Step 3: Cross multiply
    705,386.42x = 1,058,073.99 × 419,181.58
  4. Step 4: Simplify right side
    705,386.42x = 443,525,128,993.66
  5. Step 5: Solve for x
    x = 443,525,128,993.66/705,386.42
  6. Step 6: Final answer
    x = 628,769.02

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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.