Finding the Fourth Proportional to 1,188,836.14, 1,640,593.68 and 679,549.46
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Solution
The fourth proportional to 1,188,836.14, 1,640,593.68 and 679,549.46 is: 937,778.14
Step by Step Solution
- Step 1: Write the proportion equation
1,188,836.14 : 1,640,593.68 = 679,549.46 : x - Step 2: Convert to fraction form
1,188,836.14/1,640,593.68 = 679,549.46/x - Step 3: Cross multiply
1,188,836.14x = 1,640,593.68 × 679,549.46 - Step 4: Simplify right side
1,188,836.14x = 1,114,864,549,323.41 - Step 5: Solve for x
x = 1,114,864,549,323.41/1,188,836.14 - Step 6: Final answer
x = 937,778.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.