Home / 541,074.76-746,922.32-323,360.24

Finding the Fourth Proportional to 541,074.76, 746,922.32 and 323,360.24

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Solution

The fourth proportional to 541,074.76, 746,922.32 and 323,360.24 is: 446,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,074.76 : 746,922.32 = 323,360.24 : x
  2. Step 2: Convert to fraction form
    541,074.76/746,922.32 = 323,360.24/x
  3. Step 3: Cross multiply
    541,074.76x = 746,922.32 × 323,360.24
  4. Step 4: Simplify right side
    541,074.76x = 241,524,980,656.56
  5. Step 5: Solve for x
    x = 241,524,980,656.56/541,074.76
  6. Step 6: Final answer
    x = 446,380.05

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Half scale
Find fourth proportional to 1,082,149.52, 1,493,844.64 and 646,720.48
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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.