Home / 1,284,156.80-1,922,548.80-1,247,292.80

Finding the Fourth Proportional to 1,284,156.80, 1,922,548.80 and 1,247,292.80

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Solution

The fourth proportional to 1,284,156.80, 1,922,548.80 and 1,247,292.80 is: 1,867,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,156.80 : 1,922,548.80 = 1,247,292.80 : x
  2. Step 2: Convert to fraction form
    1,284,156.80/1,922,548.80 = 1,247,292.80/x
  3. Step 3: Cross multiply
    1,284,156.80x = 1,922,548.80 × 1,247,292.80
  4. Step 4: Simplify right side
    1,284,156.80x = 2,397,981,275,888.64
  5. Step 5: Solve for x
    x = 2,397,981,275,888.64/1,284,156.80
  6. Step 6: Final answer
    x = 1,867,358.62

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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.