Home / 1,191,992.80-1,787,609.04-393,125.44

Finding the Fourth Proportional to 1,191,992.80, 1,787,609.04 and 393,125.44

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Solution

The fourth proportional to 1,191,992.80, 1,787,609.04 and 393,125.44 is: 589,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,992.80 : 1,787,609.04 = 393,125.44 : x
  2. Step 2: Convert to fraction form
    1,191,992.80/1,787,609.04 = 393,125.44/x
  3. Step 3: Cross multiply
    1,191,992.80x = 1,787,609.04 × 393,125.44
  4. Step 4: Simplify right side
    1,191,992.80x = 702,754,590,397.98
  5. Step 5: Solve for x
    x = 702,754,590,397.98/1,191,992.80
  6. Step 6: Final answer
    x = 589,562.78

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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.