Home / 358,365.66-494,338.91-223,996.38

Finding the Fourth Proportional to 358,365.66, 494,338.91 and 223,996.38

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Solution

The fourth proportional to 358,365.66, 494,338.91 and 223,996.38 is: 308,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,365.66 : 494,338.91 = 223,996.38 : x
  2. Step 2: Convert to fraction form
    358,365.66/494,338.91 = 223,996.38/x
  3. Step 3: Cross multiply
    358,365.66x = 494,338.91 × 223,996.38
  4. Step 4: Simplify right side
    358,365.66x = 110,730,126,333.15
  5. Step 5: Solve for x
    x = 110,730,126,333.15/358,365.66
  6. Step 6: Final answer
    x = 308,986.43

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Double scale
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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.