Home / 411,194.23-567,276.14-320,392.55

Finding the Fourth Proportional to 411,194.23, 567,276.14 and 320,392.55

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Solution

The fourth proportional to 411,194.23, 567,276.14 and 320,392.55 is: 442,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,194.23 : 567,276.14 = 320,392.55 : x
  2. Step 2: Convert to fraction form
    411,194.23/567,276.14 = 320,392.55/x
  3. Step 3: Cross multiply
    411,194.23x = 567,276.14 × 320,392.55
  4. Step 4: Simplify right side
    411,194.23x = 181,751,049,048.76
  5. Step 5: Solve for x
    x = 181,751,049,048.76/411,194.23
  6. Step 6: Final answer
    x = 442,007.78

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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.