Finding the Fourth Proportional to 939,993.21, 1,410,044.51 and 266,018.13
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Solution
The fourth proportional to 939,993.21, 1,410,044.51 and 266,018.13 is: 399,042.67
Step by Step Solution
- Step 1: Write the proportion equation
939,993.21 : 1,410,044.51 = 266,018.13 : x - Step 2: Convert to fraction form
939,993.21/1,410,044.51 = 266,018.13/x - Step 3: Cross multiply
939,993.21x = 1,410,044.51 × 266,018.13 - Step 4: Simplify right side
939,993.21x = 375,097,404,432.01 - Step 5: Solve for x
x = 375,097,404,432.01/939,993.21 - Step 6: Final answer
x = 399,042.67
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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.