Home / 1,147,860.31-1,583,619.38-717,977.11

Finding the Fourth Proportional to 1,147,860.31, 1,583,619.38 and 717,977.11

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Solution

The fourth proportional to 1,147,860.31, 1,583,619.38 and 717,977.11 is: 990,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,860.31 : 1,583,619.38 = 717,977.11 : x
  2. Step 2: Convert to fraction form
    1,147,860.31/1,583,619.38 = 717,977.11/x
  3. Step 3: Cross multiply
    1,147,860.31x = 1,583,619.38 × 717,977.11
  4. Step 4: Simplify right side
    1,147,860.31x = 1,137,002,462,202.51
  5. Step 5: Solve for x
    x = 1,137,002,462,202.51/1,147,860.31
  6. Step 6: Final answer
    x = 990,540.79

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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.