Home / 1,000,367.41-1,500,789.83-326,449.97

Finding the Fourth Proportional to 1,000,367.41, 1,500,789.83 and 326,449.97

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Solution

The fourth proportional to 1,000,367.41, 1,500,789.83 and 326,449.97 is: 489,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,367.41 : 1,500,789.83 = 326,449.97 : x
  2. Step 2: Convert to fraction form
    1,000,367.41/1,500,789.83 = 326,449.97/x
  3. Step 3: Cross multiply
    1,000,367.41x = 1,500,789.83 × 326,449.97
  4. Step 4: Simplify right side
    1,000,367.41x = 489,932,788,490.73
  5. Step 5: Solve for x
    x = 489,932,788,490.73/1,000,367.41
  6. Step 6: Final answer
    x = 489,752.85

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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.