Home / 676,863.30-1,014,906.15-203,477.70

Finding the Fourth Proportional to 676,863.30, 1,014,906.15 and 203,477.70

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Solution

The fourth proportional to 676,863.30, 1,014,906.15 and 203,477.70 is: 305,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,863.30 : 1,014,906.15 = 203,477.70 : x
  2. Step 2: Convert to fraction form
    676,863.30/1,014,906.15 = 203,477.70/x
  3. Step 3: Cross multiply
    676,863.30x = 1,014,906.15 × 203,477.70
  4. Step 4: Simplify right side
    676,863.30x = 206,510,769,117.86
  5. Step 5: Solve for x
    x = 206,510,769,117.86/676,863.30
  6. Step 6: Final answer
    x = 305,099.67

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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.