Home / 1,728,377.29-2,384,804.56-993,189.56

Finding the Fourth Proportional to 1,728,377.29, 2,384,804.56 and 993,189.56

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Solution

The fourth proportional to 1,728,377.29, 2,384,804.56 and 993,189.56 is: 1,370,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,377.29 : 2,384,804.56 = 993,189.56 : x
  2. Step 2: Convert to fraction form
    1,728,377.29/2,384,804.56 = 993,189.56/x
  3. Step 3: Cross multiply
    1,728,377.29x = 2,384,804.56 × 993,189.56
  4. Step 4: Simplify right side
    1,728,377.29x = 2,368,562,991,632.39
  5. Step 5: Solve for x
    x = 2,368,562,991,632.39/1,728,377.29
  6. Step 6: Final answer
    x = 1,370,396.96

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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.