Finding the Fourth Proportional to 1,283,723.53, 1,771,593.81 and 710,763.69
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Solution
The fourth proportional to 1,283,723.53, 1,771,593.81 and 710,763.69 is: 980,884.53
Step by Step Solution
- Step 1: Write the proportion equation
1,283,723.53 : 1,771,593.81 = 710,763.69 : x - Step 2: Convert to fraction form
1,283,723.53/1,771,593.81 = 710,763.69/x - Step 3: Cross multiply
1,283,723.53x = 1,771,593.81 × 710,763.69 - Step 4: Simplify right side
1,283,723.53x = 1,259,184,546,495.70 - Step 5: Solve for x
x = 1,259,184,546,495.70/1,283,723.53 - Step 6: Final answer
x = 980,884.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.