Home / 1,753,943.81-2,420,396.57-979,553.57

Finding the Fourth Proportional to 1,753,943.81, 2,420,396.57 and 979,553.57

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Solution

The fourth proportional to 1,753,943.81, 2,420,396.57 and 979,553.57 is: 1,351,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,943.81 : 2,420,396.57 = 979,553.57 : x
  2. Step 2: Convert to fraction form
    1,753,943.81/2,420,396.57 = 979,553.57/x
  3. Step 3: Cross multiply
    1,753,943.81x = 2,420,396.57 × 979,553.57
  4. Step 4: Simplify right side
    1,753,943.81x = 2,370,908,091,306.16
  5. Step 5: Solve for x
    x = 2,370,908,091,306.16/1,753,943.81
  6. Step 6: Final answer
    x = 1,351,758.30

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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.