Home / 1,400.60-2,099.14-822.04

Finding the Fourth Proportional to 1,400.60, 2,099.14 and 822.04

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Solution

The fourth proportional to 1,400.60, 2,099.14 and 822.04 is: 1,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.60 : 2,099.14 = 822.04 : x
  2. Step 2: Convert to fraction form
    1,400.60/2,099.14 = 822.04/x
  3. Step 3: Cross multiply
    1,400.60x = 2,099.14 × 822.04
  4. Step 4: Simplify right side
    1,400.60x = 1,725,577.05
  5. Step 5: Solve for x
    x = 1,725,577.05/1,400.60
  6. Step 6: Final answer
    x = 1,232.03

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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.