Finding the Fourth Proportional to 1,243,837.14, 1,866,150.18 and 445,101
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Solution
The fourth proportional to 1,243,837.14, 1,866,150.18 and 445,101 is: 667,792.66
Step by Step Solution
- Step 1: Write the proportion equation
1,243,837.14 : 1,866,150.18 = 445,101 : x - Step 2: Convert to fraction form
1,243,837.14/1,866,150.18 = 445,101/x - Step 3: Cross multiply
1,243,837.14x = 1,866,150.18 × 445,101 - Step 4: Simplify right side
1,243,837.14x = 830,625,311,268.18 - Step 5: Solve for x
x = 830,625,311,268.18/1,243,837.14 - Step 6: Final answer
x = 667,792.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.