Home / 447,147.04-617,035.44-256,116.64

Finding the Fourth Proportional to 447,147.04, 617,035.44 and 256,116.64

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Solution

The fourth proportional to 447,147.04, 617,035.44 and 256,116.64 is: 353,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,147.04 : 617,035.44 = 256,116.64 : x
  2. Step 2: Convert to fraction form
    447,147.04/617,035.44 = 256,116.64/x
  3. Step 3: Cross multiply
    447,147.04x = 617,035.44 × 256,116.64
  4. Step 4: Simplify right side
    447,147.04x = 158,033,043,653.72
  5. Step 5: Solve for x
    x = 158,033,043,653.72/447,147.04
  6. Step 6: Final answer
    x = 353,425.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.