Finding the Fourth Proportional to 1,386,165.84, 2,079,324.36 and 439,468.08
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Solution
The fourth proportional to 1,386,165.84, 2,079,324.36 and 439,468.08 is: 659,226.09
Step by Step Solution
- Step 1: Write the proportion equation
1,386,165.84 : 2,079,324.36 = 439,468.08 : x - Step 2: Convert to fraction form
1,386,165.84/2,079,324.36 = 439,468.08/x - Step 3: Cross multiply
1,386,165.84x = 2,079,324.36 × 439,468.08 - Step 4: Simplify right side
1,386,165.84x = 913,796,684,186.43 - Step 5: Solve for x
x = 913,796,684,186.43/1,386,165.84 - Step 6: Final answer
x = 659,226.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.