Home / 404,631.45-558,391.44-223,343.41

Finding the Fourth Proportional to 404,631.45, 558,391.44 and 223,343.41

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Solution

The fourth proportional to 404,631.45, 558,391.44 and 223,343.41 is: 308,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,631.45 : 558,391.44 = 223,343.41 : x
  2. Step 2: Convert to fraction form
    404,631.45/558,391.44 = 223,343.41/x
  3. Step 3: Cross multiply
    404,631.45x = 558,391.44 × 223,343.41
  4. Step 4: Simplify right side
    404,631.45x = 124,713,048,324.41
  5. Step 5: Solve for x
    x = 124,713,048,324.41/404,631.45
  6. Step 6: Final answer
    x = 308,213.93

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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.