Finding the Fourth Proportional to 1,285,527.36, 1,774,113.12 and 712,591.68
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Solution
The fourth proportional to 1,285,527.36, 1,774,113.12 and 712,591.68 is: 983,423.84
Step by Step Solution
- Step 1: Write the proportion equation
1,285,527.36 : 1,774,113.12 = 712,591.68 : x - Step 2: Convert to fraction form
1,285,527.36/1,774,113.12 = 712,591.68/x - Step 3: Cross multiply
1,285,527.36x = 1,774,113.12 × 712,591.68 - Step 4: Simplify right side
1,285,527.36x = 1,264,218,248,690.84 - Step 5: Solve for x
x = 1,264,218,248,690.84/1,285,527.36 - Step 6: Final answer
x = 983,423.84
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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.