Home / 957,336.45-1,321,106.19-521,757.44

Finding the Fourth Proportional to 957,336.45, 1,321,106.19 and 521,757.44

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Solution

The fourth proportional to 957,336.45, 1,321,106.19 and 521,757.44 is: 720,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,336.45 : 1,321,106.19 = 521,757.44 : x
  2. Step 2: Convert to fraction form
    957,336.45/1,321,106.19 = 521,757.44/x
  3. Step 3: Cross multiply
    957,336.45x = 1,321,106.19 × 521,757.44
  4. Step 4: Simplify right side
    957,336.45x = 689,296,977,057.02
  5. Step 5: Solve for x
    x = 689,296,977,057.02/957,336.45
  6. Step 6: Final answer
    x = 720,015.39

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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.