Home / 1,678,801.68-2,519,049.36-825,837.60

Finding the Fourth Proportional to 1,678,801.68, 2,519,049.36 and 825,837.60

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Solution

The fourth proportional to 1,678,801.68, 2,519,049.36 and 825,837.60 is: 1,239,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,801.68 : 2,519,049.36 = 825,837.60 : x
  2. Step 2: Convert to fraction form
    1,678,801.68/2,519,049.36 = 825,837.60/x
  3. Step 3: Cross multiply
    1,678,801.68x = 2,519,049.36 × 825,837.60
  4. Step 4: Simplify right side
    1,678,801.68x = 2,080,325,677,743.94
  5. Step 5: Solve for x
    x = 2,080,325,677,743.94/1,678,801.68
  6. Step 6: Final answer
    x = 1,239,172.98

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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.