Finding the Fourth Proportional to 1,512,077, 2,268,159.24 and 390,146
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Solution
The fourth proportional to 1,512,077, 2,268,159.24 and 390,146 is: 585,230.29
Step by Step Solution
- Step 1: Write the proportion equation
1,512,077 : 2,268,159.24 = 390,146 : x - Step 2: Convert to fraction form
1,512,077/2,268,159.24 = 390,146/x - Step 3: Cross multiply
1,512,077x = 2,268,159.24 × 390,146 - Step 4: Simplify right side
1,512,077x = 884,913,254,849.04 - Step 5: Solve for x
x = 884,913,254,849.04/1,512,077 - Step 6: Final answer
x = 585,230.29
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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.