Home / 784,865-1,177,308.78-223,899.56

Finding the Fourth Proportional to 784,865, 1,177,308.78 and 223,899.56

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Solution

The fourth proportional to 784,865, 1,177,308.78 and 223,899.56 is: 335,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,865 : 1,177,308.78 = 223,899.56 : x
  2. Step 2: Convert to fraction form
    784,865/1,177,308.78 = 223,899.56/x
  3. Step 3: Cross multiply
    784,865x = 1,177,308.78 × 223,899.56
  4. Step 4: Simplify right side
    784,865x = 263,598,917,826.14
  5. Step 5: Solve for x
    x = 263,598,917,826.14/784,865
  6. Step 6: Final answer
    x = 335,852.56

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1.5x scale

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.