Home / 694,211.40-1,041,317.10-220,944.60

Finding the Fourth Proportional to 694,211.40, 1,041,317.10 and 220,944.60

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Solution

The fourth proportional to 694,211.40, 1,041,317.10 and 220,944.60 is: 331,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,211.40 : 1,041,317.10 = 220,944.60 : x
  2. Step 2: Convert to fraction form
    694,211.40/1,041,317.10 = 220,944.60/x
  3. Step 3: Cross multiply
    694,211.40x = 1,041,317.10 × 220,944.60
  4. Step 4: Simplify right side
    694,211.40x = 230,073,390,132.66
  5. Step 5: Solve for x
    x = 230,073,390,132.66/694,211.40
  6. Step 6: Final answer
    x = 331,416.90

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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.