Home / 1,022,791.78-1,411,422.09-557,627.80

Finding the Fourth Proportional to 1,022,791.78, 1,411,422.09 and 557,627.80

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Solution

The fourth proportional to 1,022,791.78, 1,411,422.09 and 557,627.80 is: 769,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,791.78 : 1,411,422.09 = 557,627.80 : x
  2. Step 2: Convert to fraction form
    1,022,791.78/1,411,422.09 = 557,627.80/x
  3. Step 3: Cross multiply
    1,022,791.78x = 1,411,422.09 × 557,627.80
  4. Step 4: Simplify right side
    1,022,791.78x = 787,048,194,918.10
  5. Step 5: Solve for x
    x = 787,048,194,918.10/1,022,791.78
  6. Step 6: Final answer
    x = 769,509.70

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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.