Home / 565,921.37-781,082.44-324,365.85

Finding the Fourth Proportional to 565,921.37, 781,082.44 and 324,365.85

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Solution

The fourth proportional to 565,921.37, 781,082.44 and 324,365.85 is: 447,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,921.37 : 781,082.44 = 324,365.85 : x
  2. Step 2: Convert to fraction form
    565,921.37/781,082.44 = 324,365.85/x
  3. Step 3: Cross multiply
    565,921.37x = 781,082.44 × 324,365.85
  4. Step 4: Simplify right side
    565,921.37x = 253,356,468,759.76
  5. Step 5: Solve for x
    x = 253,356,468,759.76/565,921.37
  6. Step 6: Final answer
    x = 447,688.46

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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.