Finding the Fourth Proportional to 991,828.09, 1,368,872.39 and 604,868.01
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Solution
The fourth proportional to 991,828.09, 1,368,872.39 and 604,868.01 is: 834,809.10
Step by Step Solution
- Step 1: Write the proportion equation
991,828.09 : 1,368,872.39 = 604,868.01 : x - Step 2: Convert to fraction form
991,828.09/1,368,872.39 = 604,868.01/x - Step 3: Cross multiply
991,828.09x = 1,368,872.39 × 604,868.01 - Step 4: Simplify right side
991,828.09x = 827,987,114,862.14 - Step 5: Solve for x
x = 827,987,114,862.14/991,828.09 - Step 6: Final answer
x = 834,809.10
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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.