Home / 705,335.98-1,057,862.52-345,351.73

Finding the Fourth Proportional to 705,335.98, 1,057,862.52 and 345,351.73

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Solution

The fourth proportional to 705,335.98, 1,057,862.52 and 345,351.73 is: 517,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,335.98 : 1,057,862.52 = 345,351.73 : x
  2. Step 2: Convert to fraction form
    705,335.98/1,057,862.52 = 345,351.73/x
  3. Step 3: Cross multiply
    705,335.98x = 1,057,862.52 × 345,351.73
  4. Step 4: Simplify right side
    705,335.98x = 365,334,649,657.40
  5. Step 5: Solve for x
    x = 365,334,649,657.40/705,335.98
  6. Step 6: Final answer
    x = 517,958.33

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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.