Home / 814,231.60-1,222,513.80-459,937.60

Finding the Fourth Proportional to 814,231.60, 1,222,513.80 and 459,937.60

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Solution

The fourth proportional to 814,231.60, 1,222,513.80 and 459,937.60 is: 690,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,231.60 : 1,222,513.80 = 459,937.60 : x
  2. Step 2: Convert to fraction form
    814,231.60/1,222,513.80 = 459,937.60/x
  3. Step 3: Cross multiply
    814,231.60x = 1,222,513.80 × 459,937.60
  4. Step 4: Simplify right side
    814,231.60x = 562,280,063,138.88
  5. Step 5: Solve for x
    x = 562,280,063,138.88/814,231.60
  6. Step 6: Final answer
    x = 690,565.27

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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.