Home / 628,198.14-939,919.32-372,168.16

Finding the Fourth Proportional to 628,198.14, 939,919.32 and 372,168.16

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Solution

The fourth proportional to 628,198.14, 939,919.32 and 372,168.16 is: 556,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,198.14 : 939,919.32 = 372,168.16 : x
  2. Step 2: Convert to fraction form
    628,198.14/939,919.32 = 372,168.16/x
  3. Step 3: Cross multiply
    628,198.14x = 939,919.32 × 372,168.16
  4. Step 4: Simplify right side
    628,198.14x = 349,808,043,872.85
  5. Step 5: Solve for x
    x = 349,808,043,872.85/628,198.14
  6. Step 6: Final answer
    x = 556,843.49

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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.