Home / 1,869,975-2,805,429.06-540,279

Finding the Fourth Proportional to 1,869,975, 2,805,429.06 and 540,279

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Solution

The fourth proportional to 1,869,975, 2,805,429.06 and 540,279 is: 810,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,975 : 2,805,429.06 = 540,279 : x
  2. Step 2: Convert to fraction form
    1,869,975/2,805,429.06 = 540,279/x
  3. Step 3: Cross multiply
    1,869,975x = 2,805,429.06 × 540,279
  4. Step 4: Simplify right side
    1,869,975x = 1,515,714,407,107.74
  5. Step 5: Solve for x
    x = 1,515,714,407,107.74/1,869,975
  6. Step 6: Final answer
    x = 810,553.30

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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.