Finding the Fourth Proportional to 1,281,677.33, 1,768,112.51 and 914,235.68
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Solution
The fourth proportional to 1,281,677.33, 1,768,112.51 and 914,235.68 is: 1,261,215.67
Step by Step Solution
- Step 1: Write the proportion equation
1,281,677.33 : 1,768,112.51 = 914,235.68 : x - Step 2: Convert to fraction form
1,281,677.33/1,768,112.51 = 914,235.68/x - Step 3: Cross multiply
1,281,677.33x = 1,768,112.51 × 914,235.68 - Step 4: Simplify right side
1,281,677.33x = 1,616,471,529,484.62 - Step 5: Solve for x
x = 1,616,471,529,484.62/1,281,677.33 - Step 6: Final answer
x = 1,261,215.67
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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.