Home / 405,899.67-560,254.14-236,166.60

Finding the Fourth Proportional to 405,899.67, 560,254.14 and 236,166.60

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Solution

The fourth proportional to 405,899.67, 560,254.14 and 236,166.60 is: 325,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,899.67 : 560,254.14 = 236,166.60 : x
  2. Step 2: Convert to fraction form
    405,899.67/560,254.14 = 236,166.60/x
  3. Step 3: Cross multiply
    405,899.67x = 560,254.14 × 236,166.60
  4. Step 4: Simplify right side
    405,899.67x = 132,313,315,379.72
  5. Step 5: Solve for x
    x = 132,313,315,379.72/405,899.67
  6. Step 6: Final answer
    x = 325,975.42

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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.