Home / 619,294.64-928,943.40-170,021.66

Finding the Fourth Proportional to 619,294.64, 928,943.40 and 170,021.66

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Solution

The fourth proportional to 619,294.64, 928,943.40 and 170,021.66 is: 255,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,294.64 : 928,943.40 = 170,021.66 : x
  2. Step 2: Convert to fraction form
    619,294.64/928,943.40 = 170,021.66/x
  3. Step 3: Cross multiply
    619,294.64x = 928,943.40 × 170,021.66
  4. Step 4: Simplify right side
    619,294.64x = 157,940,494,269.33
  5. Step 5: Solve for x
    x = 157,940,494,269.33/619,294.64
  6. Step 6: Final answer
    x = 255,032.88

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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.