Home / 1,200,517.88-1,656,760.68-684,353.07

Finding the Fourth Proportional to 1,200,517.88, 1,656,760.68 and 684,353.07

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Solution

The fourth proportional to 1,200,517.88, 1,656,760.68 and 684,353.07 is: 944,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,517.88 : 1,656,760.68 = 684,353.07 : x
  2. Step 2: Convert to fraction form
    1,200,517.88/1,656,760.68 = 684,353.07/x
  3. Step 3: Cross multiply
    1,200,517.88x = 1,656,760.68 × 684,353.07
  4. Step 4: Simplify right side
    1,200,517.88x = 1,133,809,257,613.29
  5. Step 5: Solve for x
    x = 1,133,809,257,613.29/1,200,517.88
  6. Step 6: Final answer
    x = 944,433.47

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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.