Finding the Fourth Proportional to 1,918,688.99, 2,877,771.04 and 571,059.59
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Solution
The fourth proportional to 1,918,688.99, 2,877,771.04 and 571,059.59 is: 856,511.27
Step by Step Solution
- Step 1: Write the proportion equation
1,918,688.99 : 2,877,771.04 = 571,059.59 : x - Step 2: Convert to fraction form
1,918,688.99/2,877,771.04 = 571,059.59/x - Step 3: Cross multiply
1,918,688.99x = 2,877,771.04 × 571,059.59 - Step 4: Simplify right side
1,918,688.99x = 1,643,378,734,399.77 - Step 5: Solve for x
x = 1,643,378,734,399.77/1,918,688.99 - Step 6: Final answer
x = 856,511.27
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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.