Home / 1,227,392.68-1,693,788.24-683,516.56

Finding the Fourth Proportional to 1,227,392.68, 1,693,788.24 and 683,516.56

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Solution

The fourth proportional to 1,227,392.68, 1,693,788.24 and 683,516.56 is: 943,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,392.68 : 1,693,788.24 = 683,516.56 : x
  2. Step 2: Convert to fraction form
    1,227,392.68/1,693,788.24 = 683,516.56/x
  3. Step 3: Cross multiply
    1,227,392.68x = 1,693,788.24 × 683,516.56
  4. Step 4: Simplify right side
    1,227,392.68x = 1,157,732,311,173.25
  5. Step 5: Solve for x
    x = 1,157,732,311,173.25/1,227,392.68
  6. Step 6: Final answer
    x = 943,245.25

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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.