Finding the Fourth Proportional to 1,243,952.18, 1,717,183.68 and 836,290.46
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Solution
The fourth proportional to 1,243,952.18, 1,717,183.68 and 836,290.46 is: 1,154,436.93
Step by Step Solution
- Step 1: Write the proportion equation
1,243,952.18 : 1,717,183.68 = 836,290.46 : x - Step 2: Convert to fraction form
1,243,952.18/1,717,183.68 = 836,290.46/x - Step 3: Cross multiply
1,243,952.18x = 1,717,183.68 × 836,290.46 - Step 4: Simplify right side
1,243,952.18x = 1,436,064,329,651.69 - Step 5: Solve for x
x = 1,436,064,329,651.69/1,243,952.18 - Step 6: Final answer
x = 1,154,436.93
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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.