Home / 808,519.60-1,213,654.20-454,225.60

Finding the Fourth Proportional to 808,519.60, 1,213,654.20 and 454,225.60

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Solution

The fourth proportional to 808,519.60, 1,213,654.20 and 454,225.60 is: 681,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,519.60 : 1,213,654.20 = 454,225.60 : x
  2. Step 2: Convert to fraction form
    808,519.60/1,213,654.20 = 454,225.60/x
  3. Step 3: Cross multiply
    808,519.60x = 1,213,654.20 × 454,225.60
  4. Step 4: Simplify right side
    808,519.60x = 551,272,807,187.52
  5. Step 5: Solve for x
    x = 551,272,807,187.52/808,519.60
  6. Step 6: Final answer
    x = 681,829.86

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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.