Finding the Fourth Proportional to 1,198,306.14, 1,653,672.15 and 661,762.14
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Solution
The fourth proportional to 1,198,306.14, 1,653,672.15 and 661,762.14 is: 913,237.10
Step by Step Solution
- Step 1: Write the proportion equation
1,198,306.14 : 1,653,672.15 = 661,762.14 : x - Step 2: Convert to fraction form
1,198,306.14/1,653,672.15 = 661,762.14/x - Step 3: Cross multiply
1,198,306.14x = 1,653,672.15 × 661,762.14 - Step 4: Simplify right side
1,198,306.14x = 1,094,337,620,842.40 - Step 5: Solve for x
x = 1,094,337,620,842.40/1,198,306.14 - Step 6: Final answer
x = 913,237.10
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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.