Home / 1,124,861.58-1,687,540.23-326,176.47

Finding the Fourth Proportional to 1,124,861.58, 1,687,540.23 and 326,176.47

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Solution

The fourth proportional to 1,124,861.58, 1,687,540.23 and 326,176.47 is: 489,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,861.58 : 1,687,540.23 = 326,176.47 : x
  2. Step 2: Convert to fraction form
    1,124,861.58/1,687,540.23 = 326,176.47/x
  3. Step 3: Cross multiply
    1,124,861.58x = 1,687,540.23 × 326,176.47
  4. Step 4: Simplify right side
    1,124,861.58x = 550,435,915,204.39
  5. Step 5: Solve for x
    x = 550,435,915,204.39/1,124,861.58
  6. Step 6: Final answer
    x = 489,336.58

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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.