Home / 1,317,799.71-1,974,443.67-719,181.36

Finding the Fourth Proportional to 1,317,799.71, 1,974,443.67 and 719,181.36

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Solution

The fourth proportional to 1,317,799.71, 1,974,443.67 and 719,181.36 is: 1,077,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,799.71 : 1,974,443.67 = 719,181.36 : x
  2. Step 2: Convert to fraction form
    1,317,799.71/1,974,443.67 = 719,181.36/x
  3. Step 3: Cross multiply
    1,317,799.71x = 1,974,443.67 × 719,181.36
  4. Step 4: Simplify right side
    1,317,799.71x = 1,419,983,083,833.99
  5. Step 5: Solve for x
    x = 1,419,983,083,833.99/1,317,799.71
  6. Step 6: Final answer
    x = 1,077,540.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.