Finding the Fourth Proportional to 1,043,128, 1,439,516.64 and 566,200
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Solution
The fourth proportional to 1,043,128, 1,439,516.64 and 566,200 is: 781,356
Step by Step Solution
- Step 1: Write the proportion equation
1,043,128 : 1,439,516.64 = 566,200 : x - Step 2: Convert to fraction form
1,043,128/1,439,516.64 = 566,200/x - Step 3: Cross multiply
1,043,128x = 1,439,516.64 × 566,200 - Step 4: Simplify right side
1,043,128x = 815,054,321,568 - Step 5: Solve for x
x = 815,054,321,568/1,043,128 - Step 6: Final answer
x = 781,356
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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.