Home / 1,686,757.50-2,327,680.80-998,464.86

Finding the Fourth Proportional to 1,686,757.50, 2,327,680.80 and 998,464.86

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Solution

The fourth proportional to 1,686,757.50, 2,327,680.80 and 998,464.86 is: 1,377,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,757.50 : 2,327,680.80 = 998,464.86 : x
  2. Step 2: Convert to fraction form
    1,686,757.50/2,327,680.80 = 998,464.86/x
  3. Step 3: Cross multiply
    1,686,757.50x = 2,327,680.80 × 998,464.86
  4. Step 4: Simplify right side
    1,686,757.50x = 2,324,107,484,096.69
  5. Step 5: Solve for x
    x = 2,324,107,484,096.69/1,686,757.50
  6. Step 6: Final answer
    x = 1,377,855.14

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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.