Home / 1,172,630.68-1,618,257.74-656,371.73

Finding the Fourth Proportional to 1,172,630.68, 1,618,257.74 and 656,371.73

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Solution

The fourth proportional to 1,172,630.68, 1,618,257.74 and 656,371.73 is: 905,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,630.68 : 1,618,257.74 = 656,371.73 : x
  2. Step 2: Convert to fraction form
    1,172,630.68/1,618,257.74 = 656,371.73/x
  3. Step 3: Cross multiply
    1,172,630.68x = 1,618,257.74 × 656,371.73
  4. Step 4: Simplify right side
    1,172,630.68x = 1,062,178,633,153.48
  5. Step 5: Solve for x
    x = 1,062,178,633,153.48/1,172,630.68
  6. Step 6: Final answer
    x = 905,808.33

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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.