Home / 784,777.50-1,177,177.32-223,812

Finding the Fourth Proportional to 784,777.50, 1,177,177.32 and 223,812

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Solution

The fourth proportional to 784,777.50, 1,177,177.32 and 223,812 is: 335,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,777.50 : 1,177,177.32 = 223,812 : x
  2. Step 2: Convert to fraction form
    784,777.50/1,177,177.32 = 223,812/x
  3. Step 3: Cross multiply
    784,777.50x = 1,177,177.32 × 223,812
  4. Step 4: Simplify right side
    784,777.50x = 263,466,410,343.84
  5. Step 5: Solve for x
    x = 263,466,410,343.84/784,777.50
  6. Step 6: Final answer
    x = 335,721.16

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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.