Home / 1,663,761.56-2,295,990.97-899,815.12

Finding the Fourth Proportional to 1,663,761.56, 2,295,990.97 and 899,815.12

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Solution

The fourth proportional to 1,663,761.56, 2,295,990.97 and 899,815.12 is: 1,241,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,761.56 : 2,295,990.97 = 899,815.12 : x
  2. Step 2: Convert to fraction form
    1,663,761.56/2,295,990.97 = 899,815.12/x
  3. Step 3: Cross multiply
    1,663,761.56x = 2,295,990.97 × 899,815.12
  4. Step 4: Simplify right side
    1,663,761.56x = 2,065,967,382,199.95
  5. Step 5: Solve for x
    x = 2,065,967,382,199.95/1,663,761.56
  6. Step 6: Final answer
    x = 1,241,744.87

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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.