Home / 1,370,956.54-1,891,651.17-861,363.67

Finding the Fourth Proportional to 1,370,956.54, 1,891,651.17 and 861,363.67

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Solution

The fourth proportional to 1,370,956.54, 1,891,651.17 and 861,363.67 is: 1,188,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,956.54 : 1,891,651.17 = 861,363.67 : x
  2. Step 2: Convert to fraction form
    1,370,956.54/1,891,651.17 = 861,363.67/x
  3. Step 3: Cross multiply
    1,370,956.54x = 1,891,651.17 × 861,363.67
  4. Step 4: Simplify right side
    1,370,956.54x = 1,629,399,594,150.99
  5. Step 5: Solve for x
    x = 1,629,399,594,150.99/1,370,956.54
  6. Step 6: Final answer
    x = 1,188,512.94

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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.