Home / 426,016.16-587,356.64-349,257.36

Finding the Fourth Proportional to 426,016.16, 587,356.64 and 349,257.36

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Solution

The fourth proportional to 426,016.16, 587,356.64 and 349,257.36 is: 481,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,016.16 : 587,356.64 = 349,257.36 : x
  2. Step 2: Convert to fraction form
    426,016.16/587,356.64 = 349,257.36/x
  3. Step 3: Cross multiply
    426,016.16x = 587,356.64 × 349,257.36
  4. Step 4: Simplify right side
    426,016.16x = 205,138,629,464.87
  5. Step 5: Solve for x
    x = 205,138,629,464.87/426,016.16
  6. Step 6: Final answer
    x = 481,527.81

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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.