Home / 324,634.60-447,927.78-190,426.60

Finding the Fourth Proportional to 324,634.60, 447,927.78 and 190,426.60

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Solution

The fourth proportional to 324,634.60, 447,927.78 and 190,426.60 is: 262,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,634.60 : 447,927.78 = 190,426.60 : x
  2. Step 2: Convert to fraction form
    324,634.60/447,927.78 = 190,426.60/x
  3. Step 3: Cross multiply
    324,634.60x = 447,927.78 × 190,426.60
  4. Step 4: Simplify right side
    324,634.60x = 85,297,364,190.95
  5. Step 5: Solve for x
    x = 85,297,364,190.95/324,634.60
  6. Step 6: Final answer
    x = 262,748.84

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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.