Finding the Fourth Proportional to 1,717,120.86, 2,369,508.18 and 953,114.28
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Solution
The fourth proportional to 1,717,120.86, 2,369,508.18 and 953,114.28 is: 1,315,231.87
Step by Step Solution
- Step 1: Write the proportion equation
1,717,120.86 : 2,369,508.18 = 953,114.28 : x - Step 2: Convert to fraction form
1,717,120.86/2,369,508.18 = 953,114.28/x - Step 3: Cross multiply
1,717,120.86x = 2,369,508.18 × 953,114.28 - Step 4: Simplify right side
1,717,120.86x = 2,258,412,082,934.81 - Step 5: Solve for x
x = 2,258,412,082,934.81/1,717,120.86 - Step 6: Final answer
x = 1,315,231.87
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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.