Home / 405,923.64-608,185.38-269,062.68

Finding the Fourth Proportional to 405,923.64, 608,185.38 and 269,062.68

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Solution

The fourth proportional to 405,923.64, 608,185.38 and 269,062.68 is: 403,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,923.64 : 608,185.38 = 269,062.68 : x
  2. Step 2: Convert to fraction form
    405,923.64/608,185.38 = 269,062.68/x
  3. Step 3: Cross multiply
    405,923.64x = 608,185.38 × 269,062.68
  4. Step 4: Simplify right side
    405,923.64x = 163,639,988,279.62
  5. Step 5: Solve for x
    x = 163,639,988,279.62/405,923.64
  6. Step 6: Final answer
    x = 403,129.98

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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.