Home / 769,405.22-1,154,116.55-236,922.02

Finding the Fourth Proportional to 769,405.22, 1,154,116.55 and 236,922.02

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Solution

The fourth proportional to 769,405.22, 1,154,116.55 and 236,922.02 is: 355,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,405.22 : 1,154,116.55 = 236,922.02 : x
  2. Step 2: Convert to fraction form
    769,405.22/1,154,116.55 = 236,922.02/x
  3. Step 3: Cross multiply
    769,405.22x = 1,154,116.55 × 236,922.02
  4. Step 4: Simplify right side
    769,405.22x = 273,435,624,341.43
  5. Step 5: Solve for x
    x = 273,435,624,341.43/769,405.22
  6. Step 6: Final answer
    x = 355,385.72

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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.