Home / 1,229,889.96-1,697,290.20-713,604.87

Finding the Fourth Proportional to 1,229,889.96, 1,697,290.20 and 713,604.87

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Solution

The fourth proportional to 1,229,889.96, 1,697,290.20 and 713,604.87 is: 984,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,889.96 : 1,697,290.20 = 713,604.87 : x
  2. Step 2: Convert to fraction form
    1,229,889.96/1,697,290.20 = 713,604.87/x
  3. Step 3: Cross multiply
    1,229,889.96x = 1,697,290.20 × 713,604.87
  4. Step 4: Simplify right side
    1,229,889.96x = 1,211,194,552,523.27
  5. Step 5: Solve for x
    x = 1,211,194,552,523.27/1,229,889.96
  6. Step 6: Final answer
    x = 984,799.12

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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.