Home / 1,137,040.04-1,705,536.64-378,936.56

Finding the Fourth Proportional to 1,137,040.04, 1,705,536.64 and 378,936.56

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Solution

The fourth proportional to 1,137,040.04, 1,705,536.64 and 378,936.56 is: 568,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,040.04 : 1,705,536.64 = 378,936.56 : x
  2. Step 2: Convert to fraction form
    1,137,040.04/1,705,536.64 = 378,936.56/x
  3. Step 3: Cross multiply
    1,137,040.04x = 1,705,536.64 × 378,936.56
  4. Step 4: Simplify right side
    1,137,040.04x = 646,290,187,315.56
  5. Step 5: Solve for x
    x = 646,290,187,315.56/1,137,040.04
  6. Step 6: Final answer
    x = 568,397.03

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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.