Home / 460,938.80-691,408.20-194,999.60

Finding the Fourth Proportional to 460,938.80, 691,408.20 and 194,999.60

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Solution

The fourth proportional to 460,938.80, 691,408.20 and 194,999.60 is: 292,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,938.80 : 691,408.20 = 194,999.60 : x
  2. Step 2: Convert to fraction form
    460,938.80/691,408.20 = 194,999.60/x
  3. Step 3: Cross multiply
    460,938.80x = 691,408.20 × 194,999.60
  4. Step 4: Simplify right side
    460,938.80x = 134,824,322,436.72
  5. Step 5: Solve for x
    x = 134,824,322,436.72/460,938.80
  6. Step 6: Final answer
    x = 292,499.40

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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.