Home / 1,436,419.78-2,154,454.09-371,372.65

Finding the Fourth Proportional to 1,436,419.78, 2,154,454.09 and 371,372.65

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Solution

The fourth proportional to 1,436,419.78, 2,154,454.09 and 371,372.65 is: 557,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,419.78 : 2,154,454.09 = 371,372.65 : x
  2. Step 2: Convert to fraction form
    1,436,419.78/2,154,454.09 = 371,372.65/x
  3. Step 3: Cross multiply
    1,436,419.78x = 2,154,454.09 × 371,372.65
  4. Step 4: Simplify right side
    1,436,419.78x = 800,105,324,706.64
  5. Step 5: Solve for x
    x = 800,105,324,706.64/1,436,419.78
  6. Step 6: Final answer
    x = 557,013.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.