Finding the Fourth Proportional to 1,122,446.81, 1,549,010.66 and 613,181.99
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Solution
The fourth proportional to 1,122,446.81, 1,549,010.66 and 613,181.99 is: 846,209.75
Step by Step Solution
- Step 1: Write the proportion equation
1,122,446.81 : 1,549,010.66 = 613,181.99 : x - Step 2: Convert to fraction form
1,122,446.81/1,549,010.66 = 613,181.99/x - Step 3: Cross multiply
1,122,446.81x = 1,549,010.66 × 613,181.99 - Step 4: Simplify right side
1,122,446.81x = 949,825,439,836.63 - Step 5: Solve for x
x = 949,825,439,836.63/1,122,446.81 - Step 6: Final answer
x = 846,209.75
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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.