Home / 554,221.44-764,834.10-324,723.81

Finding the Fourth Proportional to 554,221.44, 764,834.10 and 324,723.81

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Solution

The fourth proportional to 554,221.44, 764,834.10 and 324,723.81 is: 448,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,221.44 : 764,834.10 = 324,723.81 : x
  2. Step 2: Convert to fraction form
    554,221.44/764,834.10 = 324,723.81/x
  3. Step 3: Cross multiply
    554,221.44x = 764,834.10 × 324,723.81
  4. Step 4: Simplify right side
    554,221.44x = 248,359,842,969.92
  5. Step 5: Solve for x
    x = 248,359,842,969.92/554,221.44
  6. Step 6: Final answer
    x = 448,123.85

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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.