Home / 1,328,697.54-1,992,080.79-529,739.46

Finding the Fourth Proportional to 1,328,697.54, 1,992,080.79 and 529,739.46

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Solution

The fourth proportional to 1,328,697.54, 1,992,080.79 and 529,739.46 is: 794,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,697.54 : 1,992,080.79 = 529,739.46 : x
  2. Step 2: Convert to fraction form
    1,328,697.54/1,992,080.79 = 529,739.46/x
  3. Step 3: Cross multiply
    1,328,697.54x = 1,992,080.79 × 529,739.46
  4. Step 4: Simplify right side
    1,328,697.54x = 1,055,283,801,970.97
  5. Step 5: Solve for x
    x = 1,055,283,801,970.97/1,328,697.54
  6. Step 6: Final answer
    x = 794,224.25

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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.