Finding the Fourth Proportional to 936,154.12, 1,403,378.16 and 336,974.44
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Solution
The fourth proportional to 936,154.12, 1,403,378.16 and 336,974.44 is: 505,154.61
Step by Step Solution
- Step 1: Write the proportion equation
936,154.12 : 1,403,378.16 = 336,974.44 : x - Step 2: Convert to fraction form
936,154.12/1,403,378.16 = 336,974.44/x - Step 3: Cross multiply
936,154.12x = 1,403,378.16 × 336,974.44 - Step 4: Simplify right side
936,154.12x = 472,902,569,574.23 - Step 5: Solve for x
x = 472,902,569,574.23/936,154.12 - Step 6: Final answer
x = 505,154.61
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1.5x scale
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.