Home / 857,476.82-1,285,094-351,445.34

Finding the Fourth Proportional to 857,476.82, 1,285,094 and 351,445.34

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Solution

The fourth proportional to 857,476.82, 1,285,094 and 351,445.34 is: 526,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,476.82 : 1,285,094 = 351,445.34 : x
  2. Step 2: Convert to fraction form
    857,476.82/1,285,094 = 351,445.34/x
  3. Step 3: Cross multiply
    857,476.82x = 1,285,094 × 351,445.34
  4. Step 4: Simplify right side
    857,476.82x = 451,640,297,761.96
  5. Step 5: Solve for x
    x = 451,640,297,761.96/857,476.82
  6. Step 6: Final answer
    x = 526,708.46

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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.