Finding the Fourth Proportional to 1,283,588.13, 1,771,284.11 and 702,699.87
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Solution
The fourth proportional to 1,283,588.13, 1,771,284.11 and 702,699.87 is: 969,688.86
Step by Step Solution
- Step 1: Write the proportion equation
1,283,588.13 : 1,771,284.11 = 702,699.87 : x - Step 2: Convert to fraction form
1,283,588.13/1,771,284.11 = 702,699.87/x - Step 3: Cross multiply
1,283,588.13x = 1,771,284.11 × 702,699.87 - Step 4: Simplify right side
1,283,588.13x = 1,244,681,110,316.57 - Step 5: Solve for x
x = 1,244,681,110,316.57/1,283,588.13 - Step 6: Final answer
x = 969,688.86
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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.