Finding the Fourth Proportional to 1,430,576.01, 1,974,193.27 and 785,994.62
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Solution
The fourth proportional to 1,430,576.01, 1,974,193.27 and 785,994.62 is: 1,084,671.68
Step by Step Solution
- Step 1: Write the proportion equation
1,430,576.01 : 1,974,193.27 = 785,994.62 : x - Step 2: Convert to fraction form
1,430,576.01/1,974,193.27 = 785,994.62/x - Step 3: Cross multiply
1,430,576.01x = 1,974,193.27 × 785,994.62 - Step 4: Simplify right side
1,430,576.01x = 1,551,705,277,224.25 - Step 5: Solve for x
x = 1,551,705,277,224.25/1,430,576.01 - Step 6: Final answer
x = 1,084,671.68
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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.