Home / 816,396.37-1,224,742.61-336,357.60

Finding the Fourth Proportional to 816,396.37, 1,224,742.61 and 336,357.60

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Solution

The fourth proportional to 816,396.37, 1,224,742.61 and 336,357.60 is: 504,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,396.37 : 1,224,742.61 = 336,357.60 : x
  2. Step 2: Convert to fraction form
    816,396.37/1,224,742.61 = 336,357.60/x
  3. Step 3: Cross multiply
    816,396.37x = 1,224,742.61 × 336,357.60
  4. Step 4: Simplify right side
    816,396.37x = 411,951,481,165.45
  5. Step 5: Solve for x
    x = 411,951,481,165.45/816,396.37
  6. Step 6: Final answer
    x = 504,597.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.