Home / 1,328,736.60-1,992,139.32-529,778.52

Finding the Fourth Proportional to 1,328,736.60, 1,992,139.32 and 529,778.52

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Solution

The fourth proportional to 1,328,736.60, 1,992,139.32 and 529,778.52 is: 794,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,736.60 : 1,992,139.32 = 529,778.52 : x
  2. Step 2: Convert to fraction form
    1,328,736.60/1,992,139.32 = 529,778.52/x
  3. Step 3: Cross multiply
    1,328,736.60x = 1,992,139.32 × 529,778.52
  4. Step 4: Simplify right side
    1,328,736.60x = 1,055,392,620,583.41
  5. Step 5: Solve for x
    x = 1,055,392,620,583.41/1,328,736.60
  6. Step 6: Final answer
    x = 794,282.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.