Finding the Fourth Proportional to 1,785,943.08, 2,678,921.91 and 438,114.42
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Solution
The fourth proportional to 1,785,943.08, 2,678,921.91 and 438,114.42 is: 657,173.42
Step by Step Solution
- Step 1: Write the proportion equation
1,785,943.08 : 2,678,921.91 = 438,114.42 : x - Step 2: Convert to fraction form
1,785,943.08/2,678,921.91 = 438,114.42/x - Step 3: Cross multiply
1,785,943.08x = 2,678,921.91 × 438,114.42 - Step 4: Simplify right side
1,785,943.08x = 1,173,674,318,824.94 - Step 5: Solve for x
x = 1,173,674,318,824.94/1,785,943.08 - Step 6: Final answer
x = 657,173.42
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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.