Home / 1,412,690.10-1,949,458.62-768,110.82

Finding the Fourth Proportional to 1,412,690.10, 1,949,458.62 and 768,110.82

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Solution

The fourth proportional to 1,412,690.10, 1,949,458.62 and 768,110.82 is: 1,059,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,690.10 : 1,949,458.62 = 768,110.82 : x
  2. Step 2: Convert to fraction form
    1,412,690.10/1,949,458.62 = 768,110.82/x
  3. Step 3: Cross multiply
    1,412,690.10x = 1,949,458.62 × 768,110.82
  4. Step 4: Simplify right side
    1,412,690.10x = 1,497,400,259,164.27
  5. Step 5: Solve for x
    x = 1,497,400,259,164.27/1,412,690.10
  6. Step 6: Final answer
    x = 1,059,963.72

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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.