Finding the Fourth Proportional to 898,568.64, 1,240,017.12 and 496,152
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Solution
The fourth proportional to 898,568.64, 1,240,017.12 and 496,152 is: 684,685.56
Step by Step Solution
- Step 1: Write the proportion equation
898,568.64 : 1,240,017.12 = 496,152 : x - Step 2: Convert to fraction form
898,568.64/1,240,017.12 = 496,152/x - Step 3: Cross multiply
898,568.64x = 1,240,017.12 × 496,152 - Step 4: Simplify right side
898,568.64x = 615,236,974,122.24 - Step 5: Solve for x
x = 615,236,974,122.24/898,568.64 - Step 6: Final answer
x = 684,685.56
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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.