Home / 991,858.35-1,368,765.41-539,149.35

Finding the Fourth Proportional to 991,858.35, 1,368,765.41 and 539,149.35

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Solution

The fourth proportional to 991,858.35, 1,368,765.41 and 539,149.35 is: 744,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,858.35 : 1,368,765.41 = 539,149.35 : x
  2. Step 2: Convert to fraction form
    991,858.35/1,368,765.41 = 539,149.35/x
  3. Step 3: Cross multiply
    991,858.35x = 1,368,765.41 × 539,149.35
  4. Step 4: Simplify right side
    991,858.35x = 737,968,978,408.24
  5. Step 5: Solve for x
    x = 737,968,978,408.24/991,858.35
  6. Step 6: Final answer
    x = 744,026.58

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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.