Home / 693,716.49-1,040,451.84-188,316.72

Finding the Fourth Proportional to 693,716.49, 1,040,451.84 and 188,316.72

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Solution

The fourth proportional to 693,716.49, 1,040,451.84 and 188,316.72 is: 282,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,716.49 : 1,040,451.84 = 188,316.72 : x
  2. Step 2: Convert to fraction form
    693,716.49/1,040,451.84 = 188,316.72/x
  3. Step 3: Cross multiply
    693,716.49x = 1,040,451.84 × 188,316.72
  4. Step 4: Simplify right side
    693,716.49x = 195,934,477,826.77
  5. Step 5: Solve for x
    x = 195,934,477,826.77/693,716.49
  6. Step 6: Final answer
    x = 282,441.72

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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.