Finding the Fourth Proportional to 1,133,178.60, 1,699,767.90 and 629,293.80
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Solution
The fourth proportional to 1,133,178.60, 1,699,767.90 and 629,293.80 is: 943,940.70
Step by Step Solution
- Step 1: Write the proportion equation
1,133,178.60 : 1,699,767.90 = 629,293.80 : x - Step 2: Convert to fraction form
1,133,178.60/1,699,767.90 = 629,293.80/x - Step 3: Cross multiply
1,133,178.60x = 1,699,767.90 × 629,293.80 - Step 4: Simplify right side
1,133,178.60x = 1,069,653,400,909.02 - Step 5: Solve for x
x = 1,069,653,400,909.02/1,133,178.60 - Step 6: Final answer
x = 943,940.70
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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.