Finding the Fourth Proportional to 838,916.04, 1,256,028.96 and 453,283.24
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Solution
The fourth proportional to 838,916.04, 1,256,028.96 and 453,283.24 is: 678,657.75
Step by Step Solution
- Step 1: Write the proportion equation
838,916.04 : 1,256,028.96 = 453,283.24 : x - Step 2: Convert to fraction form
838,916.04/1,256,028.96 = 453,283.24/x - Step 3: Cross multiply
838,916.04x = 1,256,028.96 × 453,283.24 - Step 4: Simplify right side
838,916.04x = 569,336,873,612.85 - Step 5: Solve for x
x = 569,336,873,612.85/838,916.04 - Step 6: Final answer
x = 678,657.75
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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.