Home / 957,099.15-1,320,855.66-527,379.21

Finding the Fourth Proportional to 957,099.15, 1,320,855.66 and 527,379.21

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Solution

The fourth proportional to 957,099.15, 1,320,855.66 and 527,379.21 is: 727,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,099.15 : 1,320,855.66 = 527,379.21 : x
  2. Step 2: Convert to fraction form
    957,099.15/1,320,855.66 = 527,379.21/x
  3. Step 3: Cross multiply
    957,099.15x = 1,320,855.66 × 527,379.21
  4. Step 4: Simplify right side
    957,099.15x = 696,591,814,494.83
  5. Step 5: Solve for x
    x = 696,591,814,494.83/957,099.15
  6. Step 6: Final answer
    x = 727,815.73

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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.