Home / 767,906.21-1,057,979.94-535,113.73

Finding the Fourth Proportional to 767,906.21, 1,057,979.94 and 535,113.73

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Solution

The fourth proportional to 767,906.21, 1,057,979.94 and 535,113.73 is: 737,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,906.21 : 1,057,979.94 = 535,113.73 : x
  2. Step 2: Convert to fraction form
    767,906.21/1,057,979.94 = 535,113.73/x
  3. Step 3: Cross multiply
    767,906.21x = 1,057,979.94 × 535,113.73
  4. Step 4: Simplify right side
    767,906.21x = 566,139,591,958.58
  5. Step 5: Solve for x
    x = 566,139,591,958.58/767,906.21
  6. Step 6: Final answer
    x = 737,250.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.