Finding the Fourth Proportional to 1,696,253.16, 2,340,847.45 and 921,884.00
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Solution
The fourth proportional to 1,696,253.16, 2,340,847.45 and 921,884.00 is: 1,272,209.75
Step by Step Solution
- Step 1: Write the proportion equation
1,696,253.16 : 2,340,847.45 = 921,884.00 : x - Step 2: Convert to fraction form
1,696,253.16/2,340,847.45 = 921,884.00/x - Step 3: Cross multiply
1,696,253.16x = 2,340,847.45 × 921,884.00 - Step 4: Simplify right side
1,696,253.16x = 2,157,989,813,211.18 - Step 5: Solve for x
x = 2,157,989,813,211.18/1,696,253.16 - Step 6: Final answer
x = 1,272,209.75
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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.