Home / 837,785.70-1,156,149.33-455,815.26

Finding the Fourth Proportional to 837,785.70, 1,156,149.33 and 455,815.26

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Solution

The fourth proportional to 837,785.70, 1,156,149.33 and 455,815.26 is: 629,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,785.70 : 1,156,149.33 = 455,815.26 : x
  2. Step 2: Convert to fraction form
    837,785.70/1,156,149.33 = 455,815.26/x
  3. Step 3: Cross multiply
    837,785.70x = 1,156,149.33 × 455,815.26
  4. Step 4: Simplify right side
    837,785.70x = 526,990,507,452.78
  5. Step 5: Solve for x
    x = 526,990,507,452.78/837,785.70
  6. Step 6: Final answer
    x = 629,027.81

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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.