Finding the Fourth Proportional to 858,763.80, 1,185,047.70 and 476,766
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Solution
The fourth proportional to 858,763.80, 1,185,047.70 and 476,766 is: 657,911.35
Step by Step Solution
- Step 1: Write the proportion equation
858,763.80 : 1,185,047.70 = 476,766 : x - Step 2: Convert to fraction form
858,763.80/1,185,047.70 = 476,766/x - Step 3: Cross multiply
858,763.80x = 1,185,047.70 × 476,766 - Step 4: Simplify right side
858,763.80x = 564,990,451,738.20 - Step 5: Solve for x
x = 564,990,451,738.20/858,763.80 - Step 6: Final answer
x = 657,911.35
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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.