Finding the Fourth Proportional to 1,317,578.84, 1,817,591.06 and 833,328.44
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Solution
The fourth proportional to 1,317,578.84, 1,817,591.06 and 833,328.44 is: 1,149,570.92
Step by Step Solution
- Step 1: Write the proportion equation
1,317,578.84 : 1,817,591.06 = 833,328.44 : x - Step 2: Convert to fraction form
1,317,578.84/1,817,591.06 = 833,328.44/x - Step 3: Cross multiply
1,317,578.84x = 1,817,591.06 × 833,328.44 - Step 4: Simplify right side
1,317,578.84x = 1,514,650,322,587.75 - Step 5: Solve for x
x = 1,514,650,322,587.75/1,317,578.84 - Step 6: Final answer
x = 1,149,570.92
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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.