Home / 1,568,065.12-2,351,817.10-415,319.56

Finding the Fourth Proportional to 1,568,065.12, 2,351,817.10 and 415,319.56

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Solution

The fourth proportional to 1,568,065.12, 2,351,817.10 and 415,319.56 is: 622,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,065.12 : 2,351,817.10 = 415,319.56 : x
  2. Step 2: Convert to fraction form
    1,568,065.12/2,351,817.10 = 415,319.56/x
  3. Step 3: Cross multiply
    1,568,065.12x = 2,351,817.10 × 415,319.56
  4. Step 4: Simplify right side
    1,568,065.12x = 976,755,643,172.48
  5. Step 5: Solve for x
    x = 976,755,643,172.48/1,568,065.12
  6. Step 6: Final answer
    x = 622,905.03

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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.