Finding the Fourth Proportional to 804,661.08, 1,110,439.84 and 442,092.48
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Solution
The fourth proportional to 804,661.08, 1,110,439.84 and 442,092.48 is: 610,091.77
Step by Step Solution
- Step 1: Write the proportion equation
804,661.08 : 1,110,439.84 = 442,092.48 : x - Step 2: Convert to fraction form
804,661.08/1,110,439.84 = 442,092.48/x - Step 3: Cross multiply
804,661.08x = 1,110,439.84 × 442,092.48 - Step 4: Simplify right side
804,661.08x = 490,917,102,756.40 - Step 5: Solve for x
x = 490,917,102,756.40/804,661.08 - Step 6: Final answer
x = 610,091.77
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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.