Home / 405,536.12-559,453.86-262,342.28

Finding the Fourth Proportional to 405,536.12, 559,453.86 and 262,342.28

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Solution

The fourth proportional to 405,536.12, 559,453.86 and 262,342.28 is: 361,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,536.12 : 559,453.86 = 262,342.28 : x
  2. Step 2: Convert to fraction form
    405,536.12/559,453.86 = 262,342.28/x
  3. Step 3: Cross multiply
    405,536.12x = 559,453.86 × 262,342.28
  4. Step 4: Simplify right side
    405,536.12x = 146,768,401,187.20
  5. Step 5: Solve for x
    x = 146,768,401,187.20/405,536.12
  6. Step 6: Final answer
    x = 361,912.03

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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.