Finding the Fourth Proportional to 1,208,566.80, 1,667,691.36 and 699,174
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Solution
The fourth proportional to 1,208,566.80, 1,667,691.36 and 699,174 is: 964,784.44
Step by Step Solution
- Step 1: Write the proportion equation
1,208,566.80 : 1,667,691.36 = 699,174 : x - Step 2: Convert to fraction form
1,208,566.80/1,667,691.36 = 699,174/x - Step 3: Cross multiply
1,208,566.80x = 1,667,691.36 × 699,174 - Step 4: Simplify right side
1,208,566.80x = 1,166,006,438,936.64 - Step 5: Solve for x
x = 1,166,006,438,936.64/1,208,566.80 - Step 6: Final answer
x = 964,784.44
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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.