Home / 814,262.60-1,222,560.30-459,968.60

Finding the Fourth Proportional to 814,262.60, 1,222,560.30 and 459,968.60

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Solution

The fourth proportional to 814,262.60, 1,222,560.30 and 459,968.60 is: 690,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,262.60 : 1,222,560.30 = 459,968.60 : x
  2. Step 2: Convert to fraction form
    814,262.60/1,222,560.30 = 459,968.60/x
  3. Step 3: Cross multiply
    814,262.60x = 1,222,560.30 × 459,968.60
  4. Step 4: Simplify right side
    814,262.60x = 562,339,349,606.58
  5. Step 5: Solve for x
    x = 562,339,349,606.58/814,262.60
  6. Step 6: Final answer
    x = 690,611.79

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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.