Finding the Fourth Proportional to 1,676,911.80, 2,314,135.12 and 912,963.54
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Solution
The fourth proportional to 1,676,911.80, 2,314,135.12 and 912,963.54 is: 1,259,887.96
Step by Step Solution
- Step 1: Write the proportion equation
1,676,911.80 : 2,314,135.12 = 912,963.54 : x - Step 2: Convert to fraction form
1,676,911.80/2,314,135.12 = 912,963.54/x - Step 3: Cross multiply
1,676,911.80x = 2,314,135.12 × 912,963.54 - Step 4: Simplify right side
1,676,911.80x = 2,112,720,991,193.53 - Step 5: Solve for x
x = 2,112,720,991,193.53/1,676,911.80 - Step 6: Final answer
x = 1,259,887.96
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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.