Home / 1,079,367.96-1,619,861.94-406,113.24

Finding the Fourth Proportional to 1,079,367.96, 1,619,861.94 and 406,113.24

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Solution

The fourth proportional to 1,079,367.96, 1,619,861.94 and 406,113.24 is: 609,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,367.96 : 1,619,861.94 = 406,113.24 : x
  2. Step 2: Convert to fraction form
    1,079,367.96/1,619,861.94 = 406,113.24/x
  3. Step 3: Cross multiply
    1,079,367.96x = 1,619,861.94 × 406,113.24
  4. Step 4: Simplify right side
    1,079,367.96x = 657,847,380,806.09
  5. Step 5: Solve for x
    x = 657,847,380,806.09/1,079,367.96
  6. Step 6: Final answer
    x = 609,474.62

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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.