Home / 447,150.06-617,066.64-256,164.21

Finding the Fourth Proportional to 447,150.06, 617,066.64 and 256,164.21

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Solution

The fourth proportional to 447,150.06, 617,066.64 and 256,164.21 is: 353,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,150.06 : 617,066.64 = 256,164.21 : x
  2. Step 2: Convert to fraction form
    447,150.06/617,066.64 = 256,164.21/x
  3. Step 3: Cross multiply
    447,150.06x = 617,066.64 × 256,164.21
  4. Step 4: Simplify right side
    447,150.06x = 158,070,388,352.95
  5. Step 5: Solve for x
    x = 158,070,388,352.95/447,150.06
  6. Step 6: Final answer
    x = 353,506.36

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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.