Home / 1,246,986.54-1,870,733.14-394,191.41

Finding the Fourth Proportional to 1,246,986.54, 1,870,733.14 and 394,191.41

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Solution

The fourth proportional to 1,246,986.54, 1,870,733.14 and 394,191.41 is: 591,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,986.54 : 1,870,733.14 = 394,191.41 : x
  2. Step 2: Convert to fraction form
    1,246,986.54/1,870,733.14 = 394,191.41/x
  3. Step 3: Cross multiply
    1,246,986.54x = 1,870,733.14 × 394,191.41
  4. Step 4: Simplify right side
    1,246,986.54x = 737,426,923,851.18
  5. Step 5: Solve for x
    x = 737,426,923,851.18/1,246,986.54
  6. Step 6: Final answer
    x = 591,367.19

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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.