Finding the Fourth Proportional to 1,165,698.36, 1,608,661.88 and 656,404.38
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Solution
The fourth proportional to 1,165,698.36, 1,608,661.88 and 656,404.38 is: 905,837.00
Step by Step Solution
- Step 1: Write the proportion equation
1,165,698.36 : 1,608,661.88 = 656,404.38 : x - Step 2: Convert to fraction form
1,165,698.36/1,608,661.88 = 656,404.38/x - Step 3: Cross multiply
1,165,698.36x = 1,608,661.88 × 656,404.38 - Step 4: Simplify right side
1,165,698.36x = 1,055,932,703,971.03 - Step 5: Solve for x
x = 1,055,932,703,971.03/1,165,698.36 - Step 6: Final answer
x = 905,837.00
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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.