Home / 809,167.80-1,213,233.30-336,041.40

Finding the Fourth Proportional to 809,167.80, 1,213,233.30 and 336,041.40

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Solution

The fourth proportional to 809,167.80, 1,213,233.30 and 336,041.40 is: 503,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,167.80 : 1,213,233.30 = 336,041.40 : x
  2. Step 2: Convert to fraction form
    809,167.80/1,213,233.30 = 336,041.40/x
  3. Step 3: Cross multiply
    809,167.80x = 1,213,233.30 × 336,041.40
  4. Step 4: Simplify right side
    809,167.80x = 407,696,616,658.62
  5. Step 5: Solve for x
    x = 407,696,616,658.62/809,167.80
  6. Step 6: Final answer
    x = 503,846.81

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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.