Finding the Fourth Proportional to 1,657,873.97, 2,486,810.81 and 459,796.28
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Solution
The fourth proportional to 1,657,873.97, 2,486,810.81 and 459,796.28 is: 689,694.38
Step by Step Solution
- Step 1: Write the proportion equation
1,657,873.97 : 2,486,810.81 = 459,796.28 : x - Step 2: Convert to fraction form
1,657,873.97/2,486,810.81 = 459,796.28/x - Step 3: Cross multiply
1,657,873.97x = 2,486,810.81 × 459,796.28 - Step 4: Simplify right side
1,657,873.97x = 1,143,426,359,501.79 - Step 5: Solve for x
x = 1,143,426,359,501.79/1,657,873.97 - Step 6: Final answer
x = 689,694.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.