Home / 728,705.50-1,093,233.30-230,069.50

Finding the Fourth Proportional to 728,705.50, 1,093,233.30 and 230,069.50

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Solution

The fourth proportional to 728,705.50, 1,093,233.30 and 230,069.50 is: 345,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,705.50 : 1,093,233.30 = 230,069.50 : x
  2. Step 2: Convert to fraction form
    728,705.50/1,093,233.30 = 230,069.50/x
  3. Step 3: Cross multiply
    728,705.50x = 1,093,233.30 × 230,069.50
  4. Step 4: Simplify right side
    728,705.50x = 251,519,638,714.35
  5. Step 5: Solve for x
    x = 251,519,638,714.35/728,705.50
  6. Step 6: Final answer
    x = 345,159.52

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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.