Home / 1,519,743.78-2,279,615.21-572,893.07

Finding the Fourth Proportional to 1,519,743.78, 2,279,615.21 and 572,893.07

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Solution

The fourth proportional to 1,519,743.78, 2,279,615.21 and 572,893.07 is: 859,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,743.78 : 2,279,615.21 = 572,893.07 : x
  2. Step 2: Convert to fraction form
    1,519,743.78/2,279,615.21 = 572,893.07/x
  3. Step 3: Cross multiply
    1,519,743.78x = 2,279,615.21 × 572,893.07
  4. Step 4: Simplify right side
    1,519,743.78x = 1,305,975,741,813.05
  5. Step 5: Solve for x
    x = 1,305,975,741,813.05/1,519,743.78
  6. Step 6: Final answer
    x = 859,339.42

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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.