Home / 784,777-1,177,176.57-223,811.50

Finding the Fourth Proportional to 784,777, 1,177,176.57 and 223,811.50

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Solution

The fourth proportional to 784,777, 1,177,176.57 and 223,811.50 is: 335,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,777 : 1,177,176.57 = 223,811.50 : x
  2. Step 2: Convert to fraction form
    784,777/1,177,176.57 = 223,811.50/x
  3. Step 3: Cross multiply
    784,777x = 1,177,176.57 × 223,811.50
  4. Step 4: Simplify right side
    784,777x = 263,465,653,896.56
  5. Step 5: Solve for x
    x = 263,465,653,896.56/784,777
  6. Step 6: Final answer
    x = 335,720.41

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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.