Home / 465,766.28-698,648.55-145,942.63

Finding the Fourth Proportional to 465,766.28, 698,648.55 and 145,942.63

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Solution

The fourth proportional to 465,766.28, 698,648.55 and 145,942.63 is: 218,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,766.28 : 698,648.55 = 145,942.63 : x
  2. Step 2: Convert to fraction form
    465,766.28/698,648.55 = 145,942.63/x
  3. Step 3: Cross multiply
    465,766.28x = 698,648.55 × 145,942.63
  4. Step 4: Simplify right side
    465,766.28x = 101,962,606,366.91
  5. Step 5: Solve for x
    x = 101,962,606,366.91/465,766.28
  6. Step 6: Final answer
    x = 218,913.67

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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.