Finding the Fourth Proportional to 1,411,576.64, 1,947,756.48 and 838,602.08
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Solution
The fourth proportional to 1,411,576.64, 1,947,756.48 and 838,602.08 is: 1,157,140.60
Step by Step Solution
- Step 1: Write the proportion equation
1,411,576.64 : 1,947,756.48 = 838,602.08 : x - Step 2: Convert to fraction form
1,411,576.64/1,947,756.48 = 838,602.08/x - Step 3: Cross multiply
1,411,576.64x = 1,947,756.48 × 838,602.08 - Step 4: Simplify right side
1,411,576.64x = 1,633,392,635,461.48 - Step 5: Solve for x
x = 1,633,392,635,461.48/1,411,576.64 - Step 6: Final answer
x = 1,157,140.60
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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.