Home / 1,589,690.56-2,192,662.56-1,079,507.20

Finding the Fourth Proportional to 1,589,690.56, 2,192,662.56 and 1,079,507.20

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Solution

The fourth proportional to 1,589,690.56, 2,192,662.56 and 1,079,507.20 is: 1,488,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,690.56 : 2,192,662.56 = 1,079,507.20 : x
  2. Step 2: Convert to fraction form
    1,589,690.56/2,192,662.56 = 1,079,507.20/x
  3. Step 3: Cross multiply
    1,589,690.56x = 2,192,662.56 × 1,079,507.20
  4. Step 4: Simplify right side
    1,589,690.56x = 2,366,995,020,690.43
  5. Step 5: Solve for x
    x = 2,366,995,020,690.43/1,589,690.56
  6. Step 6: Final answer
    x = 1,488,965.89

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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.