Home / 579,058.56-868,703.94-199,993.20

Finding the Fourth Proportional to 579,058.56, 868,703.94 and 199,993.20

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Solution

The fourth proportional to 579,058.56, 868,703.94 and 199,993.20 is: 300,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,058.56 : 868,703.94 = 199,993.20 : x
  2. Step 2: Convert to fraction form
    579,058.56/868,703.94 = 199,993.20/x
  3. Step 3: Cross multiply
    579,058.56x = 868,703.94 × 199,993.20
  4. Step 4: Simplify right side
    579,058.56x = 173,734,880,813.21
  5. Step 5: Solve for x
    x = 173,734,880,813.21/579,058.56
  6. Step 6: Final answer
    x = 300,029.90

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Double scale
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Similar ratio
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1.5x scale

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.