Finding the Fourth Proportional to 889,055.44, 1,226,897.99 and 481,157.68
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Solution
The fourth proportional to 889,055.44, 1,226,897.99 and 481,157.68 is: 663,998.40
Step by Step Solution
- Step 1: Write the proportion equation
889,055.44 : 1,226,897.99 = 481,157.68 : x - Step 2: Convert to fraction form
889,055.44/1,226,897.99 = 481,157.68/x - Step 3: Cross multiply
889,055.44x = 1,226,897.99 × 481,157.68 - Step 4: Simplify right side
889,055.44x = 590,331,388,600.71 - Step 5: Solve for x
x = 590,331,388,600.71/889,055.44 - Step 6: Final answer
x = 663,998.40
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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.