Home / 619,100.06-928,554.30-254,398.64

Finding the Fourth Proportional to 619,100.06, 928,554.30 and 254,398.64

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Solution

The fourth proportional to 619,100.06, 928,554.30 and 254,398.64 is: 381,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,100.06 : 928,554.30 = 254,398.64 : x
  2. Step 2: Convert to fraction form
    619,100.06/928,554.30 = 254,398.64/x
  3. Step 3: Cross multiply
    619,100.06x = 928,554.30 × 254,398.64
  4. Step 4: Simplify right side
    619,100.06x = 236,222,946,443.38
  5. Step 5: Solve for x
    x = 236,222,946,443.38/619,100.06
  6. Step 6: Final answer
    x = 381,558.59

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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.