Finding the Fourth Proportional to 1,475,619.76, 2,036,431.08 and 902,480.08
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Solution
The fourth proportional to 1,475,619.76, 2,036,431.08 and 902,480.08 is: 1,245,468.88
Step by Step Solution
- Step 1: Write the proportion equation
1,475,619.76 : 2,036,431.08 = 902,480.08 : x - Step 2: Convert to fraction form
1,475,619.76/2,036,431.08 = 902,480.08/x - Step 3: Cross multiply
1,475,619.76x = 2,036,431.08 × 902,480.08 - Step 4: Simplify right side
1,475,619.76x = 1,837,838,483,992.89 - Step 5: Solve for x
x = 1,837,838,483,992.89/1,475,619.76 - Step 6: Final answer
x = 1,245,468.88
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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.