Finding the Fourth Proportional to 828,445.16, 1,242,670.62 and 252,074
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Solution
The fourth proportional to 828,445.16, 1,242,670.62 and 252,074 is: 378,111.88
Step by Step Solution
- Step 1: Write the proportion equation
828,445.16 : 1,242,670.62 = 252,074 : x - Step 2: Convert to fraction form
828,445.16/1,242,670.62 = 252,074/x - Step 3: Cross multiply
828,445.16x = 1,242,670.62 × 252,074 - Step 4: Simplify right side
828,445.16x = 313,244,953,865.88 - Step 5: Solve for x
x = 313,244,953,865.88/828,445.16 - Step 6: Final answer
x = 378,111.88
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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.