Finding the Fourth Proportional to 1,661,544.70, 2,492,317.05 and 539,727.10
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Solution
The fourth proportional to 1,661,544.70, 2,492,317.05 and 539,727.10 is: 809,590.65
Step by Step Solution
- Step 1: Write the proportion equation
1,661,544.70 : 2,492,317.05 = 539,727.10 : x - Step 2: Convert to fraction form
1,661,544.70/2,492,317.05 = 539,727.10/x - Step 3: Cross multiply
1,661,544.70x = 2,492,317.05 × 539,727.10 - Step 4: Simplify right side
1,661,544.70x = 1,345,171,053,677.06 - Step 5: Solve for x
x = 1,345,171,053,677.06/1,661,544.70 - Step 6: Final answer
x = 809,590.65
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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.