Finding the Fourth Proportional to 1,368,235.14, 1,888,151.58 and 756,403.62
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Solution
The fourth proportional to 1,368,235.14, 1,888,151.58 and 756,403.62 is: 1,043,829.86
Step by Step Solution
- Step 1: Write the proportion equation
1,368,235.14 : 1,888,151.58 = 756,403.62 : x - Step 2: Convert to fraction form
1,368,235.14/1,888,151.58 = 756,403.62/x - Step 3: Cross multiply
1,368,235.14x = 1,888,151.58 × 756,403.62 - Step 4: Simplify right side
1,368,235.14x = 1,428,204,690,220.72 - Step 5: Solve for x
x = 1,428,204,690,220.72/1,368,235.14 - Step 6: Final answer
x = 1,043,829.86
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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.