Home / 1,297,863.42-1,791,087.62-717,123.96

Finding the Fourth Proportional to 1,297,863.42, 1,791,087.62 and 717,123.96

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Solution

The fourth proportional to 1,297,863.42, 1,791,087.62 and 717,123.96 is: 989,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,863.42 : 1,791,087.62 = 717,123.96 : x
  2. Step 2: Convert to fraction form
    1,297,863.42/1,791,087.62 = 717,123.96/x
  3. Step 3: Cross multiply
    1,297,863.42x = 1,791,087.62 × 717,123.96
  4. Step 4: Simplify right side
    1,297,863.42x = 1,284,431,846,761.38
  5. Step 5: Solve for x
    x = 1,284,431,846,761.38/1,297,863.42
  6. Step 6: Final answer
    x = 989,651.01

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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.