Finding the Fourth Proportional to 1,111,069.48, 1,533,268.74 and 627,791.08
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Solution
The fourth proportional to 1,111,069.48, 1,533,268.74 and 627,791.08 is: 866,347.65
Step by Step Solution
- Step 1: Write the proportion equation
1,111,069.48 : 1,533,268.74 = 627,791.08 : x - Step 2: Convert to fraction form
1,111,069.48/1,533,268.74 = 627,791.08/x - Step 3: Cross multiply
1,111,069.48x = 1,533,268.74 × 627,791.08 - Step 4: Simplify right side
1,111,069.48x = 962,572,438,214.84 - Step 5: Solve for x
x = 962,572,438,214.84/1,111,069.48 - Step 6: Final answer
x = 866,347.65
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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.