Home / 264,321.45-396,478.73-64,643.57

Finding the Fourth Proportional to 264,321.45, 396,478.73 and 64,643.57

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Solution

The fourth proportional to 264,321.45, 396,478.73 and 64,643.57 is: 96,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,321.45 : 396,478.73 = 64,643.57 : x
  2. Step 2: Convert to fraction form
    264,321.45/396,478.73 = 64,643.57/x
  3. Step 3: Cross multiply
    264,321.45x = 396,478.73 × 64,643.57
  4. Step 4: Simplify right side
    264,321.45x = 25,629,798,230.65
  5. Step 5: Solve for x
    x = 25,629,798,230.65/264,321.45
  6. Step 6: Final answer
    x = 96,964.50

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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.