Home / 554,221.17-764,833.73-324,723.53

Finding the Fourth Proportional to 554,221.17, 764,833.73 and 324,723.53

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Solution

The fourth proportional to 554,221.17, 764,833.73 and 324,723.53 is: 448,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,221.17 : 764,833.73 = 324,723.53 : x
  2. Step 2: Convert to fraction form
    554,221.17/764,833.73 = 324,723.53/x
  3. Step 3: Cross multiply
    554,221.17x = 764,833.73 × 324,723.53
  4. Step 4: Simplify right side
    554,221.17x = 248,359,508,957.13
  5. Step 5: Solve for x
    x = 248,359,508,957.13/554,221.17
  6. Step 6: Final answer
    x = 448,123.46

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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.