Home / 1,327,907.09-1,832,653.71-811,963.37

Finding the Fourth Proportional to 1,327,907.09, 1,832,653.71 and 811,963.37

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Solution

The fourth proportional to 1,327,907.09, 1,832,653.71 and 811,963.37 is: 1,120,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,907.09 : 1,832,653.71 = 811,963.37 : x
  2. Step 2: Convert to fraction form
    1,327,907.09/1,832,653.71 = 811,963.37/x
  3. Step 3: Cross multiply
    1,327,907.09x = 1,832,653.71 × 811,963.37
  4. Step 4: Simplify right side
    1,327,907.09x = 1,488,047,682,414.60
  5. Step 5: Solve for x
    x = 1,488,047,682,414.60/1,327,907.09
  6. Step 6: Final answer
    x = 1,120,596.23

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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.