Home / 1,318,585.14-1,819,431.82-866,436.66

Finding the Fourth Proportional to 1,318,585.14, 1,819,431.82 and 866,436.66

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Solution

The fourth proportional to 1,318,585.14, 1,819,431.82 and 866,436.66 is: 1,195,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,585.14 : 1,819,431.82 = 866,436.66 : x
  2. Step 2: Convert to fraction form
    1,318,585.14/1,819,431.82 = 866,436.66/x
  3. Step 3: Cross multiply
    1,318,585.14x = 1,819,431.82 × 866,436.66
  4. Step 4: Simplify right side
    1,318,585.14x = 1,576,422,429,218.52
  5. Step 5: Solve for x
    x = 1,576,422,429,218.52/1,318,585.14
  6. Step 6: Final answer
    x = 1,195,540.87

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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.