Home / 705,892.80-1,058,839.20-200,452.80

Finding the Fourth Proportional to 705,892.80, 1,058,839.20 and 200,452.80

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Solution

The fourth proportional to 705,892.80, 1,058,839.20 and 200,452.80 is: 300,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,892.80 : 1,058,839.20 = 200,452.80 : x
  2. Step 2: Convert to fraction form
    705,892.80/1,058,839.20 = 200,452.80/x
  3. Step 3: Cross multiply
    705,892.80x = 1,058,839.20 × 200,452.80
  4. Step 4: Simplify right side
    705,892.80x = 212,247,282,389.76
  5. Step 5: Solve for x
    x = 212,247,282,389.76/705,892.80
  6. Step 6: Final answer
    x = 300,679.20

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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.