Finding the Fourth Proportional to 746,445.79, 1,119,668.67 and 247,809.79
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Solution
The fourth proportional to 746,445.79, 1,119,668.67 and 247,809.79 is: 371,714.68
Step by Step Solution
- Step 1: Write the proportion equation
746,445.79 : 1,119,668.67 = 247,809.79 : x - Step 2: Convert to fraction form
746,445.79/1,119,668.67 = 247,809.79/x - Step 3: Cross multiply
746,445.79x = 1,119,668.67 × 247,809.79 - Step 4: Simplify right side
746,445.79x = 277,464,852,383.94 - Step 5: Solve for x
x = 277,464,852,383.94/746,445.79 - Step 6: Final answer
x = 371,714.68
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Double scale
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Similar ratio
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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.