Home / 293,716.50-440,575.08-80,486.22

Finding the Fourth Proportional to 293,716.50, 440,575.08 and 80,486.22

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Solution

The fourth proportional to 293,716.50, 440,575.08 and 80,486.22 is: 120,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,716.50 : 440,575.08 = 80,486.22 : x
  2. Step 2: Convert to fraction form
    293,716.50/440,575.08 = 80,486.22/x
  3. Step 3: Cross multiply
    293,716.50x = 440,575.08 × 80,486.22
  4. Step 4: Simplify right side
    293,716.50x = 35,460,222,815.40
  5. Step 5: Solve for x
    x = 35,460,222,815.40/293,716.50
  6. Step 6: Final answer
    x = 120,729.42

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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.