Home / 380,185.69-524,620.64-227,193.42

Finding the Fourth Proportional to 380,185.69, 524,620.64 and 227,193.42

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Solution

The fourth proportional to 380,185.69, 524,620.64 and 227,193.42 is: 313,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,185.69 : 524,620.64 = 227,193.42 : x
  2. Step 2: Convert to fraction form
    380,185.69/524,620.64 = 227,193.42/x
  3. Step 3: Cross multiply
    380,185.69x = 524,620.64 × 227,193.42
  4. Step 4: Simplify right side
    380,185.69x = 119,190,356,128.80
  5. Step 5: Solve for x
    x = 119,190,356,128.80/380,185.69
  6. Step 6: Final answer
    x = 313,505.64

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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.