Home / 1,441.56-2,162.40-619.27

Finding the Fourth Proportional to 1,441.56, 2,162.40 and 619.27

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Solution

The fourth proportional to 1,441.56, 2,162.40 and 619.27 is: 928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.56 : 2,162.40 = 619.27 : x
  2. Step 2: Convert to fraction form
    1,441.56/2,162.40 = 619.27/x
  3. Step 3: Cross multiply
    1,441.56x = 2,162.40 × 619.27
  4. Step 4: Simplify right side
    1,441.56x = 1,339,109.45
  5. Step 5: Solve for x
    x = 1,339,109.45/1,441.56
  6. Step 6: Final answer
    x = 928.93

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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.