Home / 629,922.80-944,884.20-620,591.60

Finding the Fourth Proportional to 629,922.80, 944,884.20 and 620,591.60

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Solution

The fourth proportional to 629,922.80, 944,884.20 and 620,591.60 is: 930,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,922.80 : 944,884.20 = 620,591.60 : x
  2. Step 2: Convert to fraction form
    629,922.80/944,884.20 = 620,591.60/x
  3. Step 3: Cross multiply
    629,922.80x = 944,884.20 × 620,591.60
  4. Step 4: Simplify right side
    629,922.80x = 586,387,197,492.72
  5. Step 5: Solve for x
    x = 586,387,197,492.72/629,922.80
  6. Step 6: Final answer
    x = 930,887.40

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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.