Home / 1,474.28-2,211.52-500.32

Finding the Fourth Proportional to 1,474.28, 2,211.52 and 500.32

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Solution

The fourth proportional to 1,474.28, 2,211.52 and 500.32 is: 750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.28 : 2,211.52 = 500.32 : x
  2. Step 2: Convert to fraction form
    1,474.28/2,211.52 = 500.32/x
  3. Step 3: Cross multiply
    1,474.28x = 2,211.52 × 500.32
  4. Step 4: Simplify right side
    1,474.28x = 1,106,467.69
  5. Step 5: Solve for x
    x = 1,106,467.69/1,474.28
  6. Step 6: Final answer
    x = 750.51

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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.