Home / 1,235,515.91-1,704,998.92-691,656.17

Finding the Fourth Proportional to 1,235,515.91, 1,704,998.92 and 691,656.17

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Solution

The fourth proportional to 1,235,515.91, 1,704,998.92 and 691,656.17 is: 954,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,515.91 : 1,704,998.92 = 691,656.17 : x
  2. Step 2: Convert to fraction form
    1,235,515.91/1,704,998.92 = 691,656.17/x
  3. Step 3: Cross multiply
    1,235,515.91x = 1,704,998.92 × 691,656.17
  4. Step 4: Simplify right side
    1,235,515.91x = 1,179,273,022,861.34
  5. Step 5: Solve for x
    x = 1,179,273,022,861.34/1,235,515.91
  6. Step 6: Final answer
    x = 954,478.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.