Home / 393,527.04-543,067.38-223,771.56

Finding the Fourth Proportional to 393,527.04, 543,067.38 and 223,771.56

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Solution

The fourth proportional to 393,527.04, 543,067.38 and 223,771.56 is: 308,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,527.04 : 543,067.38 = 223,771.56 : x
  2. Step 2: Convert to fraction form
    393,527.04/543,067.38 = 223,771.56/x
  3. Step 3: Cross multiply
    393,527.04x = 543,067.38 × 223,771.56
  4. Step 4: Simplify right side
    393,527.04x = 121,523,034,807.71
  5. Step 5: Solve for x
    x = 121,523,034,807.71/393,527.04
  6. Step 6: Final answer
    x = 308,804.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.