Finding the Fourth Proportional to 1,411,572.64, 1,947,750.96 and 838,598.08
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Solution
The fourth proportional to 1,411,572.64, 1,947,750.96 and 838,598.08 is: 1,157,135.08
Step by Step Solution
- Step 1: Write the proportion equation
1,411,572.64 : 1,947,750.96 = 838,598.08 : x - Step 2: Convert to fraction form
1,411,572.64/1,947,750.96 = 838,598.08/x - Step 3: Cross multiply
1,411,572.64x = 1,947,750.96 × 838,598.08 - Step 4: Simplify right side
1,411,572.64x = 1,633,380,215,374.16 - Step 5: Solve for x
x = 1,633,380,215,374.16/1,411,572.64 - Step 6: Final answer
x = 1,157,135.08
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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.