Finding the Fourth Proportional to 1,657,205.01, 2,485,860.98 and 459,138.87
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Solution
The fourth proportional to 1,657,205.01, 2,485,860.98 and 459,138.87 is: 688,723.12
Step by Step Solution
- Step 1: Write the proportion equation
1,657,205.01 : 2,485,860.98 = 459,138.87 : x - Step 2: Convert to fraction form
1,657,205.01/2,485,860.98 = 459,138.87/x - Step 3: Cross multiply
1,657,205.01x = 2,485,860.98 × 459,138.87 - Step 4: Simplify right side
1,657,205.01x = 1,141,355,399,038.60 - Step 5: Solve for x
x = 1,141,355,399,038.60/1,657,205.01 - Step 6: Final answer
x = 688,723.12
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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.