Finding the Fourth Proportional to 1,409,936.37, 1,945,714.65 and 765,357.00
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Solution
The fourth proportional to 1,409,936.37, 1,945,714.65 and 765,357.00 is: 1,056,193.99
Step by Step Solution
- Step 1: Write the proportion equation
1,409,936.37 : 1,945,714.65 = 765,357.00 : x - Step 2: Convert to fraction form
1,409,936.37/1,945,714.65 = 765,357.00/x - Step 3: Cross multiply
1,409,936.37x = 1,945,714.65 × 765,357.00 - Step 4: Simplify right side
1,409,936.37x = 1,489,166,321,518.66 - Step 5: Solve for x
x = 1,489,166,321,518.66/1,409,936.37 - Step 6: Final answer
x = 1,056,193.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.