Home / 809,770.01-1,117,478.86-447,192.29

Finding the Fourth Proportional to 809,770.01, 1,117,478.86 and 447,192.29

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Solution

The fourth proportional to 809,770.01, 1,117,478.86 and 447,192.29 is: 617,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,770.01 : 1,117,478.86 = 447,192.29 : x
  2. Step 2: Convert to fraction form
    809,770.01/1,117,478.86 = 447,192.29/x
  3. Step 3: Cross multiply
    809,770.01x = 1,117,478.86 × 447,192.29
  4. Step 4: Simplify right side
    809,770.01x = 499,727,933,363.43
  5. Step 5: Solve for x
    x = 499,727,933,363.43/809,770.01
  6. Step 6: Final answer
    x = 617,123.29

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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.