Home / 1,278,084.20-1,915,668.52-798,532.50

Finding the Fourth Proportional to 1,278,084.20, 1,915,668.52 and 798,532.50

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Solution

The fourth proportional to 1,278,084.20, 1,915,668.52 and 798,532.50 is: 1,196,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,084.20 : 1,915,668.52 = 798,532.50 : x
  2. Step 2: Convert to fraction form
    1,278,084.20/1,915,668.52 = 798,532.50/x
  3. Step 3: Cross multiply
    1,278,084.20x = 1,915,668.52 × 798,532.50
  4. Step 4: Simplify right side
    1,278,084.20x = 1,529,723,577,634.33
  5. Step 5: Solve for x
    x = 1,529,723,577,634.33/1,278,084.20
  6. Step 6: Final answer
    x = 1,196,887.95

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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.