Home / 1,796,556.80-2,479,243.20-991,740.80

Finding the Fourth Proportional to 1,796,556.80, 2,479,243.20 and 991,740.80

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Solution

The fourth proportional to 1,796,556.80, 2,479,243.20 and 991,740.80 is: 1,368,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,556.80 : 2,479,243.20 = 991,740.80 : x
  2. Step 2: Convert to fraction form
    1,796,556.80/2,479,243.20 = 991,740.80/x
  3. Step 3: Cross multiply
    1,796,556.80x = 2,479,243.20 × 991,740.80
  4. Step 4: Simplify right side
    1,796,556.80x = 2,458,766,634,562.56
  5. Step 5: Solve for x
    x = 2,458,766,634,562.56/1,796,556.80
  6. Step 6: Final answer
    x = 1,368,599.44

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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.