Home / 1,317,911.94-1,974,611.20-719,293.14

Finding the Fourth Proportional to 1,317,911.94, 1,974,611.20 and 719,293.14

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Solution

The fourth proportional to 1,317,911.94, 1,974,611.20 and 719,293.14 is: 1,077,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,911.94 : 1,974,611.20 = 719,293.14 : x
  2. Step 2: Convert to fraction form
    1,317,911.94/1,974,611.20 = 719,293.14/x
  3. Step 3: Cross multiply
    1,317,911.94x = 1,974,611.20 × 719,293.14
  4. Step 4: Simplify right side
    1,317,911.94x = 1,420,324,287,358.50
  5. Step 5: Solve for x
    x = 1,420,324,287,358.50/1,317,911.94
  6. Step 6: Final answer
    x = 1,077,708.03

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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.