Finding the Fourth Proportional to 1,091,383.14, 1,505,908.86 and 607,936.26
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Solution
The fourth proportional to 1,091,383.14, 1,505,908.86 and 607,936.26 is: 838,840.70
Step by Step Solution
- Step 1: Write the proportion equation
1,091,383.14 : 1,505,908.86 = 607,936.26 : x - Step 2: Convert to fraction form
1,091,383.14/1,505,908.86 = 607,936.26/x - Step 3: Cross multiply
1,091,383.14x = 1,505,908.86 × 607,936.26 - Step 4: Simplify right side
1,091,383.14x = 915,496,600,249.26 - Step 5: Solve for x
x = 915,496,600,249.26/1,091,383.14 - Step 6: Final answer
x = 838,840.70
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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.