Home / 865,563.31-1,298,181.86-234,394.03

Finding the Fourth Proportional to 865,563.31, 1,298,181.86 and 234,394.03

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Solution

The fourth proportional to 865,563.31, 1,298,181.86 and 234,394.03 is: 351,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,563.31 : 1,298,181.86 = 234,394.03 : x
  2. Step 2: Convert to fraction form
    865,563.31/1,298,181.86 = 234,394.03/x
  3. Step 3: Cross multiply
    865,563.31x = 1,298,181.86 × 234,394.03
  4. Step 4: Simplify right side
    865,563.31x = 304,286,077,838.30
  5. Step 5: Solve for x
    x = 304,286,077,838.30/865,563.31
  6. Step 6: Final answer
    x = 351,546.88

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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.