Home / 1,819,174.80-2,728,891.80-557,000.40

Finding the Fourth Proportional to 1,819,174.80, 2,728,891.80 and 557,000.40

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Solution

The fourth proportional to 1,819,174.80, 2,728,891.80 and 557,000.40 is: 835,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,174.80 : 2,728,891.80 = 557,000.40 : x
  2. Step 2: Convert to fraction form
    1,819,174.80/2,728,891.80 = 557,000.40/x
  3. Step 3: Cross multiply
    1,819,174.80x = 2,728,891.80 × 557,000.40
  4. Step 4: Simplify right side
    1,819,174.80x = 1,519,993,824,156.72
  5. Step 5: Solve for x
    x = 1,519,993,824,156.72/1,819,174.80
  6. Step 6: Final answer
    x = 835,540.28

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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.