Home / 784,740.24-1,177,121.20-223,774.64

Finding the Fourth Proportional to 784,740.24, 1,177,121.20 and 223,774.64

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Solution

The fourth proportional to 784,740.24, 1,177,121.20 and 223,774.64 is: 335,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,740.24 : 1,177,121.20 = 223,774.64 : x
  2. Step 2: Convert to fraction form
    784,740.24/1,177,121.20 = 223,774.64/x
  3. Step 3: Cross multiply
    784,740.24x = 1,177,121.20 × 223,774.64
  4. Step 4: Simplify right side
    784,740.24x = 263,409,872,766.37
  5. Step 5: Solve for x
    x = 263,409,872,766.37/784,740.24
  6. Step 6: Final answer
    x = 335,665.05

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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.