Finding the Fourth Proportional to 1,413,214.80, 1,950,388.47 and 1,237,174.97
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Solution
The fourth proportional to 1,413,214.80, 1,950,388.47 and 1,237,174.97 is: 1,707,434.56
Step by Step Solution
- Step 1: Write the proportion equation
1,413,214.80 : 1,950,388.47 = 1,237,174.97 : x - Step 2: Convert to fraction form
1,413,214.80/1,950,388.47 = 1,237,174.97/x - Step 3: Cross multiply
1,413,214.80x = 1,950,388.47 × 1,237,174.97 - Step 4: Simplify right side
1,413,214.80x = 2,412,971,787,108.65 - Step 5: Solve for x
x = 2,412,971,787,108.65/1,413,214.80 - Step 6: Final answer
x = 1,707,434.56
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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.