Finding the Fourth Proportional to 1,268,748, 1,903,122 and 382,284
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Solution
The fourth proportional to 1,268,748, 1,903,122 and 382,284 is: 573,426
Step by Step Solution
- Step 1: Write the proportion equation
1,268,748 : 1,903,122 = 382,284 : x - Step 2: Convert to fraction form
1,268,748/1,903,122 = 382,284/x - Step 3: Cross multiply
1,268,748x = 1,903,122 × 382,284 - Step 4: Simplify right side
1,268,748x = 727,533,090,648 - Step 5: Solve for x
x = 727,533,090,648/1,268,748 - Step 6: Final answer
x = 573,426
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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.