Finding the Fourth Proportional to 1,769,634, 2,654,460.72 and 439,938
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Solution
The fourth proportional to 1,769,634, 2,654,460.72 and 439,938 is: 659,909.42
Step by Step Solution
- Step 1: Write the proportion equation
1,769,634 : 2,654,460.72 = 439,938 : x - Step 2: Convert to fraction form
1,769,634/2,654,460.72 = 439,938/x - Step 3: Cross multiply
1,769,634x = 2,654,460.72 × 439,938 - Step 4: Simplify right side
1,769,634x = 1,167,798,140,235.36 - Step 5: Solve for x
x = 1,167,798,140,235.36/1,769,634 - Step 6: Final answer
x = 659,909.42
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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.