Finding the Fourth Proportional to 1,256,331.60, 1,884,497.40 and 778,034.70
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Solution
The fourth proportional to 1,256,331.60, 1,884,497.40 and 778,034.70 is: 1,167,052.05
Step by Step Solution
- Step 1: Write the proportion equation
1,256,331.60 : 1,884,497.40 = 778,034.70 : x - Step 2: Convert to fraction form
1,256,331.60/1,884,497.40 = 778,034.70/x - Step 3: Cross multiply
1,256,331.60x = 1,884,497.40 × 778,034.70 - Step 4: Simplify right side
1,256,331.60x = 1,466,204,369,259.78 - Step 5: Solve for x
x = 1,466,204,369,259.78/1,256,331.60 - Step 6: Final answer
x = 1,167,052.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.