Home / 905,899.11-1,359,221.15-400,193.19

Finding the Fourth Proportional to 905,899.11, 1,359,221.15 and 400,193.19

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Solution

The fourth proportional to 905,899.11, 1,359,221.15 and 400,193.19 is: 600,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,899.11 : 1,359,221.15 = 400,193.19 : x
  2. Step 2: Convert to fraction form
    905,899.11/1,359,221.15 = 400,193.19/x
  3. Step 3: Cross multiply
    905,899.11x = 1,359,221.15 × 400,193.19
  4. Step 4: Simplify right side
    905,899.11x = 543,951,045,933.00
  5. Step 5: Solve for x
    x = 543,951,045,933.00/905,899.11
  6. Step 6: Final answer
    x = 600,454.33

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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.