Finding the Fourth Proportional to 1,248,685.60, 1,872,838.32 and 407,236
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Solution
The fourth proportional to 1,248,685.60, 1,872,838.32 and 407,236 is: 610,792.01
Step by Step Solution
- Step 1: Write the proportion equation
1,248,685.60 : 1,872,838.32 = 407,236 : x - Step 2: Convert to fraction form
1,248,685.60/1,872,838.32 = 407,236/x - Step 3: Cross multiply
1,248,685.60x = 1,872,838.32 × 407,236 - Step 4: Simplify right side
1,248,685.60x = 762,687,186,083.52 - Step 5: Solve for x
x = 762,687,186,083.52/1,248,685.60 - Step 6: Final answer
x = 610,792.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.