Home / 1,491,805.14-2,058,691.31-812,741.64

Finding the Fourth Proportional to 1,491,805.14, 2,058,691.31 and 812,741.64

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Solution

The fourth proportional to 1,491,805.14, 2,058,691.31 and 812,741.64 is: 1,121,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,805.14 : 2,058,691.31 = 812,741.64 : x
  2. Step 2: Convert to fraction form
    1,491,805.14/2,058,691.31 = 812,741.64/x
  3. Step 3: Cross multiply
    1,491,805.14x = 2,058,691.31 × 812,741.64
  4. Step 4: Simplify right side
    1,491,805.14x = 1,673,184,151,543.15
  5. Step 5: Solve for x
    x = 1,673,184,151,543.15/1,491,805.14
  6. Step 6: Final answer
    x = 1,121,583.58

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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.