Home / 407,211.44-610,856.04-126,653.36

Finding the Fourth Proportional to 407,211.44, 610,856.04 and 126,653.36

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Solution

The fourth proportional to 407,211.44, 610,856.04 and 126,653.36 is: 189,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,211.44 : 610,856.04 = 126,653.36 : x
  2. Step 2: Convert to fraction form
    407,211.44/610,856.04 = 126,653.36/x
  3. Step 3: Cross multiply
    407,211.44x = 610,856.04 × 126,653.36
  4. Step 4: Simplify right side
    407,211.44x = 77,366,969,942.29
  5. Step 5: Solve for x
    x = 77,366,969,942.29/407,211.44
  6. Step 6: Final answer
    x = 189,992.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.