Finding the Fourth Proportional to 951,756.75, 1,313,540.96 and 549,348.75
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Solution
The fourth proportional to 951,756.75, 1,313,540.96 and 549,348.75 is: 758,168.60
Step by Step Solution
- Step 1: Write the proportion equation
951,756.75 : 1,313,540.96 = 549,348.75 : x - Step 2: Convert to fraction form
951,756.75/1,313,540.96 = 549,348.75/x - Step 3: Cross multiply
951,756.75x = 1,313,540.96 × 549,348.75 - Step 4: Simplify right side
951,756.75x = 721,592,081,703.06 - Step 5: Solve for x
x = 721,592,081,703.06/951,756.75 - Step 6: Final answer
x = 758,168.60
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1.5x scale
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.