Home / 629,629.60-944,444.40-505,213.60

Finding the Fourth Proportional to 629,629.60, 944,444.40 and 505,213.60

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Solution

The fourth proportional to 629,629.60, 944,444.40 and 505,213.60 is: 757,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,629.60 : 944,444.40 = 505,213.60 : x
  2. Step 2: Convert to fraction form
    629,629.60/944,444.40 = 505,213.60/x
  3. Step 3: Cross multiply
    629,629.60x = 944,444.40 × 505,213.60
  4. Step 4: Simplify right side
    629,629.60x = 477,146,155,323.84
  5. Step 5: Solve for x
    x = 477,146,155,323.84/629,629.60
  6. Step 6: Final answer
    x = 757,820.40

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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.