Home / 1,283,485.43-1,770,653.76-773,904.71

Finding the Fourth Proportional to 1,283,485.43, 1,770,653.76 and 773,904.71

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Solution

The fourth proportional to 1,283,485.43, 1,770,653.76 and 773,904.71 is: 1,067,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,485.43 : 1,770,653.76 = 773,904.71 : x
  2. Step 2: Convert to fraction form
    1,283,485.43/1,770,653.76 = 773,904.71/x
  3. Step 3: Cross multiply
    1,283,485.43x = 1,770,653.76 × 773,904.71
  4. Step 4: Simplify right side
    1,283,485.43x = 1,370,317,275,789.94
  5. Step 5: Solve for x
    x = 1,370,317,275,789.94/1,283,485.43
  6. Step 6: Final answer
    x = 1,067,653.16

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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.