Home / 1,057,791.34-1,586,742.42-805,467.58

Finding the Fourth Proportional to 1,057,791.34, 1,586,742.42 and 805,467.58

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Solution

The fourth proportional to 1,057,791.34, 1,586,742.42 and 805,467.58 is: 1,208,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,791.34 : 1,586,742.42 = 805,467.58 : x
  2. Step 2: Convert to fraction form
    1,057,791.34/1,586,742.42 = 805,467.58/x
  3. Step 3: Cross multiply
    1,057,791.34x = 1,586,742.42 × 805,467.58
  4. Step 4: Simplify right side
    1,057,791.34x = 1,278,069,577,120.74
  5. Step 5: Solve for x
    x = 1,278,069,577,120.74/1,057,791.34
  6. Step 6: Final answer
    x = 1,208,243.56

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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.