Finding the Fourth Proportional to 1,765,671.84, 2,436,458.58 and 991,125.18
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Solution
The fourth proportional to 1,765,671.84, 2,436,458.58 and 991,125.18 is: 1,367,658.13
Step by Step Solution
- Step 1: Write the proportion equation
1,765,671.84 : 2,436,458.58 = 991,125.18 : x - Step 2: Convert to fraction form
1,765,671.84/2,436,458.58 = 991,125.18/x - Step 3: Cross multiply
1,765,671.84x = 2,436,458.58 × 991,125.18 - Step 4: Simplify right side
1,765,671.84x = 2,414,835,448,665.04 - Step 5: Solve for x
x = 2,414,835,448,665.04/1,765,671.84 - Step 6: Final answer
x = 1,367,658.13
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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.