Home / 398,848.79-598,181.94-114,537.08

Finding the Fourth Proportional to 398,848.79, 598,181.94 and 114,537.08

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Solution

The fourth proportional to 398,848.79, 598,181.94 and 114,537.08 is: 171,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,848.79 : 598,181.94 = 114,537.08 : x
  2. Step 2: Convert to fraction form
    398,848.79/598,181.94 = 114,537.08/x
  3. Step 3: Cross multiply
    398,848.79x = 598,181.94 × 114,537.08
  4. Step 4: Simplify right side
    398,848.79x = 68,514,009,725.43
  5. Step 5: Solve for x
    x = 68,514,009,725.43/398,848.79
  6. Step 6: Final answer
    x = 171,779.41

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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.