Home / 784,744.24-1,177,127.20-223,778.64

Finding the Fourth Proportional to 784,744.24, 1,177,127.20 and 223,778.64

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Solution

The fourth proportional to 784,744.24, 1,177,127.20 and 223,778.64 is: 335,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,744.24 : 1,177,127.20 = 223,778.64 : x
  2. Step 2: Convert to fraction form
    784,744.24/1,177,127.20 = 223,778.64/x
  3. Step 3: Cross multiply
    784,744.24x = 1,177,127.20 × 223,778.64
  4. Step 4: Simplify right side
    784,744.24x = 263,415,923,923.01
  5. Step 5: Solve for x
    x = 263,415,923,923.01/784,744.24
  6. Step 6: Final answer
    x = 335,671.05

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Double scale
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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.