Home / 1,270,022.52-1,752,664.32-726,246.84

Finding the Fourth Proportional to 1,270,022.52, 1,752,664.32 and 726,246.84

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Solution

The fourth proportional to 1,270,022.52, 1,752,664.32 and 726,246.84 is: 1,002,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,022.52 : 1,752,664.32 = 726,246.84 : x
  2. Step 2: Convert to fraction form
    1,270,022.52/1,752,664.32 = 726,246.84/x
  3. Step 3: Cross multiply
    1,270,022.52x = 1,752,664.32 × 726,246.84
  4. Step 4: Simplify right side
    1,270,022.52x = 1,272,866,923,980.75
  5. Step 5: Solve for x
    x = 1,272,866,923,980.75/1,270,022.52
  6. Step 6: Final answer
    x = 1,002,239.65

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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.