Home / 1,728,386.26-2,384,816.94-993,198.40

Finding the Fourth Proportional to 1,728,386.26, 2,384,816.94 and 993,198.40

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Solution

The fourth proportional to 1,728,386.26, 2,384,816.94 and 993,198.40 is: 1,370,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,386.26 : 2,384,816.94 = 993,198.40 : x
  2. Step 2: Convert to fraction form
    1,728,386.26/2,384,816.94 = 993,198.40/x
  3. Step 3: Cross multiply
    1,728,386.26x = 2,384,816.94 × 993,198.40
  4. Step 4: Simplify right side
    1,728,386.26x = 2,368,596,369,100.90
  5. Step 5: Solve for x
    x = 2,368,596,369,100.90/1,728,386.26
  6. Step 6: Final answer
    x = 1,370,409.16

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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.