Home / 893,764.20-1,340,646.30-515,850.60

Finding the Fourth Proportional to 893,764.20, 1,340,646.30 and 515,850.60

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Solution

The fourth proportional to 893,764.20, 1,340,646.30 and 515,850.60 is: 773,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,764.20 : 1,340,646.30 = 515,850.60 : x
  2. Step 2: Convert to fraction form
    893,764.20/1,340,646.30 = 515,850.60/x
  3. Step 3: Cross multiply
    893,764.20x = 1,340,646.30 × 515,850.60
  4. Step 4: Simplify right side
    893,764.20x = 691,573,198,242.78
  5. Step 5: Solve for x
    x = 691,573,198,242.78/893,764.20
  6. Step 6: Final answer
    x = 773,775.90

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1.5x scale

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.