Home / 5,605,950.36-7,728,149.30-3,993,519

Finding the Fourth Proportional to 5,605,950.36, 7,728,149.30 and 3,993,519

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Solution

The fourth proportional to 5,605,950.36, 7,728,149.30 and 3,993,519 is: 5,505,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605,950.36 : 7,728,149.30 = 3,993,519 : x
  2. Step 2: Convert to fraction form
    5,605,950.36/7,728,149.30 = 3,993,519/x
  3. Step 3: Cross multiply
    5,605,950.36x = 7,728,149.30 × 3,993,519
  4. Step 4: Simplify right side
    5,605,950.36x = 30,862,511,064,386.70
  5. Step 5: Solve for x
    x = 30,862,511,064,386.70/5,605,950.36
  6. Step 6: Final answer
    x = 5,505,312.94

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Double scale
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1.5x scale

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.