Home / 619,828.30-930,001.65-199,233.10

Finding the Fourth Proportional to 619,828.30, 930,001.65 and 199,233.10

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Solution

The fourth proportional to 619,828.30, 930,001.65 and 199,233.10 is: 298,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,828.30 : 930,001.65 = 199,233.10 : x
  2. Step 2: Convert to fraction form
    619,828.30/930,001.65 = 199,233.10/x
  3. Step 3: Cross multiply
    619,828.30x = 930,001.65 × 199,233.10
  4. Step 4: Simplify right side
    619,828.30x = 185,287,111,734.62
  5. Step 5: Solve for x
    x = 185,287,111,734.62/619,828.30
  6. Step 6: Final answer
    x = 298,932.97

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1.5x scale

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.