Home / 814,493.60-1,222,906.80-616,205.60

Finding the Fourth Proportional to 814,493.60, 1,222,906.80 and 616,205.60

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Solution

The fourth proportional to 814,493.60, 1,222,906.80 and 616,205.60 is: 925,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,493.60 : 1,222,906.80 = 616,205.60 : x
  2. Step 2: Convert to fraction form
    814,493.60/1,222,906.80 = 616,205.60/x
  3. Step 3: Cross multiply
    814,493.60x = 1,222,906.80 × 616,205.60
  4. Step 4: Simplify right side
    814,493.60x = 753,562,018,438.08
  5. Step 5: Solve for x
    x = 753,562,018,438.08/814,493.60
  6. Step 6: Final answer
    x = 925,190.84

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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.