Home / 1,398,197.29-2,087,088.57-1,199,792.65

Finding the Fourth Proportional to 1,398,197.29, 2,087,088.57 and 1,199,792.65

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Solution

The fourth proportional to 1,398,197.29, 2,087,088.57 and 1,199,792.65 is: 1,790,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,197.29 : 2,087,088.57 = 1,199,792.65 : x
  2. Step 2: Convert to fraction form
    1,398,197.29/2,087,088.57 = 1,199,792.65/x
  3. Step 3: Cross multiply
    1,398,197.29x = 2,087,088.57 × 1,199,792.65
  4. Step 4: Simplify right side
    1,398,197.29x = 2,504,073,526,185.01
  5. Step 5: Solve for x
    x = 2,504,073,526,185.01/1,398,197.29
  6. Step 6: Final answer
    x = 1,790,930.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.