Home / 619,239.05-928,858.58-198,557.45

Finding the Fourth Proportional to 619,239.05, 928,858.58 and 198,557.45

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Solution

The fourth proportional to 619,239.05, 928,858.58 and 198,557.45 is: 297,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,239.05 : 928,858.58 = 198,557.45 : x
  2. Step 2: Convert to fraction form
    619,239.05/928,858.58 = 198,557.45/x
  3. Step 3: Cross multiply
    619,239.05x = 928,858.58 × 198,557.45
  4. Step 4: Simplify right side
    619,239.05x = 184,431,790,062.63
  5. Step 5: Solve for x
    x = 184,431,790,062.63/619,239.05
  6. Step 6: Final answer
    x = 297,836.18

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Similar ratio
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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.