Finding the Fourth Proportional to 1,251,530.18, 1,726,623.20 and 816,458.99
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Solution
The fourth proportional to 1,251,530.18, 1,726,623.20 and 816,458.99 is: 1,126,394.76
Step by Step Solution
- Step 1: Write the proportion equation
1,251,530.18 : 1,726,623.20 = 816,458.99 : x - Step 2: Convert to fraction form
1,251,530.18/1,726,623.20 = 816,458.99/x - Step 3: Cross multiply
1,251,530.18x = 1,726,623.20 × 816,458.99 - Step 4: Simplify right side
1,251,530.18x = 1,409,717,033,982.57 - Step 5: Solve for x
x = 1,409,717,033,982.57/1,251,530.18 - Step 6: Final answer
x = 1,126,394.76
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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.