Home / 457,268.82-630,971.13-263,683.68

Finding the Fourth Proportional to 457,268.82, 630,971.13 and 263,683.68

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Solution

The fourth proportional to 457,268.82, 630,971.13 and 263,683.68 is: 363,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,268.82 : 630,971.13 = 263,683.68 : x
  2. Step 2: Convert to fraction form
    457,268.82/630,971.13 = 263,683.68/x
  3. Step 3: Cross multiply
    457,268.82x = 630,971.13 × 263,683.68
  4. Step 4: Simplify right side
    457,268.82x = 166,376,789,532.16
  5. Step 5: Solve for x
    x = 166,376,789,532.16/457,268.82
  6. Step 6: Final answer
    x = 363,848.97

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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.