Home / 1,294,418.78-1,941,718.08-395,791.40

Finding the Fourth Proportional to 1,294,418.78, 1,941,718.08 and 395,791.40

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Solution

The fourth proportional to 1,294,418.78, 1,941,718.08 and 395,791.40 is: 593,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,418.78 : 1,941,718.08 = 395,791.40 : x
  2. Step 2: Convert to fraction form
    1,294,418.78/1,941,718.08 = 395,791.40/x
  3. Step 3: Cross multiply
    1,294,418.78x = 1,941,718.08 × 395,791.40
  4. Step 4: Simplify right side
    1,294,418.78x = 768,515,317,288.51
  5. Step 5: Solve for x
    x = 768,515,317,288.51/1,294,418.78
  6. Step 6: Final answer
    x = 593,714.59

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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.