Home / 1,694,408.10-2,541,595.95-415,021.20

Finding the Fourth Proportional to 1,694,408.10, 2,541,595.95 and 415,021.20

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Solution

The fourth proportional to 1,694,408.10, 2,541,595.95 and 415,021.20 is: 622,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,408.10 : 2,541,595.95 = 415,021.20 : x
  2. Step 2: Convert to fraction form
    1,694,408.10/2,541,595.95 = 415,021.20/x
  3. Step 3: Cross multiply
    1,694,408.10x = 2,541,595.95 × 415,021.20
  4. Step 4: Simplify right side
    1,694,408.10x = 1,054,816,201,084.14
  5. Step 5: Solve for x
    x = 1,054,816,201,084.14/1,694,408.10
  6. Step 6: Final answer
    x = 622,527.83

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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.