Finding the Fourth Proportional to 1,283,967.18, 1,771,873.11 and 711,006.66
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Solution
The fourth proportional to 1,283,967.18, 1,771,873.11 and 711,006.66 is: 981,188.31
Step by Step Solution
- Step 1: Write the proportion equation
1,283,967.18 : 1,771,873.11 = 711,006.66 : x - Step 2: Convert to fraction form
1,283,967.18/1,771,873.11 = 711,006.66/x - Step 3: Cross multiply
1,283,967.18x = 1,771,873.11 × 711,006.66 - Step 4: Simplify right side
1,283,967.18x = 1,259,813,581,884.91 - Step 5: Solve for x
x = 1,259,813,581,884.91/1,283,967.18 - Step 6: Final answer
x = 981,188.31
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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.