Home / 809,824.86-1,117,566.66-447,257.76

Finding the Fourth Proportional to 809,824.86, 1,117,566.66 and 447,257.76

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Solution

The fourth proportional to 809,824.86, 1,117,566.66 and 447,257.76 is: 617,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,824.86 : 1,117,566.66 = 447,257.76 : x
  2. Step 2: Convert to fraction form
    809,824.86/1,117,566.66 = 447,257.76/x
  3. Step 3: Cross multiply
    809,824.86x = 1,117,566.66 × 447,257.76
  4. Step 4: Simplify right side
    809,824.86x = 499,840,361,002.28
  5. Step 5: Solve for x
    x = 499,840,361,002.28/809,824.86
  6. Step 6: Final answer
    x = 617,220.32

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1.5x scale

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.