Home / 769,321.44-1,154,017.80-236,866.32

Finding the Fourth Proportional to 769,321.44, 1,154,017.80 and 236,866.32

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Solution

The fourth proportional to 769,321.44, 1,154,017.80 and 236,866.32 is: 355,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,321.44 : 1,154,017.80 = 236,866.32 : x
  2. Step 2: Convert to fraction form
    769,321.44/1,154,017.80 = 236,866.32/x
  3. Step 3: Cross multiply
    769,321.44x = 1,154,017.80 × 236,866.32
  4. Step 4: Simplify right side
    769,321.44x = 273,347,949,500.50
  5. Step 5: Solve for x
    x = 273,347,949,500.50/769,321.44
  6. Step 6: Final answer
    x = 355,310.45

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1.5x scale

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.