Home / 1,491,244.93-2,057,917.89-812,181.43

Finding the Fourth Proportional to 1,491,244.93, 2,057,917.89 and 812,181.43

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Solution

The fourth proportional to 1,491,244.93, 2,057,917.89 and 812,181.43 is: 1,120,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,244.93 : 2,057,917.89 = 812,181.43 : x
  2. Step 2: Convert to fraction form
    1,491,244.93/2,057,917.89 = 812,181.43/x
  3. Step 3: Cross multiply
    1,491,244.93x = 2,057,917.89 × 812,181.43
  4. Step 4: Simplify right side
    1,491,244.93x = 1,671,402,694,722.78
  5. Step 5: Solve for x
    x = 1,671,402,694,722.78/1,491,244.93
  6. Step 6: Final answer
    x = 1,120,810.31

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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.