Home / 629,445.40-944,168.10-543,824.35

Finding the Fourth Proportional to 629,445.40, 944,168.10 and 543,824.35

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Solution

The fourth proportional to 629,445.40, 944,168.10 and 543,824.35 is: 815,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,445.40 : 944,168.10 = 543,824.35 : x
  2. Step 2: Convert to fraction form
    629,445.40/944,168.10 = 543,824.35/x
  3. Step 3: Cross multiply
    629,445.40x = 944,168.10 × 543,824.35
  4. Step 4: Simplify right side
    629,445.40x = 513,461,603,273.24
  5. Step 5: Solve for x
    x = 513,461,603,273.24/629,445.40
  6. Step 6: Final answer
    x = 815,736.53

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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.