Home / 1,755,575.78-2,422,891.60-991,678.54

Finding the Fourth Proportional to 1,755,575.78, 2,422,891.60 and 991,678.54

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Solution

The fourth proportional to 1,755,575.78, 2,422,891.60 and 991,678.54 is: 1,368,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,575.78 : 2,422,891.60 = 991,678.54 : x
  2. Step 2: Convert to fraction form
    1,755,575.78/2,422,891.60 = 991,678.54/x
  3. Step 3: Cross multiply
    1,755,575.78x = 2,422,891.60 × 991,678.54
  4. Step 4: Simplify right side
    1,755,575.78x = 2,402,729,604,466.26
  5. Step 5: Solve for x
    x = 2,402,729,604,466.26/1,755,575.78
  6. Step 6: Final answer
    x = 1,368,627.68

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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.