Home / 479,781.48-719,605.26-263,708.04

Finding the Fourth Proportional to 479,781.48, 719,605.26 and 263,708.04

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Solution

The fourth proportional to 479,781.48, 719,605.26 and 263,708.04 is: 395,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,781.48 : 719,605.26 = 263,708.04 : x
  2. Step 2: Convert to fraction form
    479,781.48/719,605.26 = 263,708.04/x
  3. Step 3: Cross multiply
    479,781.48x = 719,605.26 × 263,708.04
  4. Step 4: Simplify right side
    479,781.48x = 189,765,692,688.29
  5. Step 5: Solve for x
    x = 189,765,692,688.29/479,781.48
  6. Step 6: Final answer
    x = 395,525.26

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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.