Finding the Fourth Proportional to 1,256,281.11, 1,884,181.18 and 487,778.75
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Solution
The fourth proportional to 1,256,281.11, 1,884,181.18 and 487,778.75 is: 731,574.74
Step by Step Solution
- Step 1: Write the proportion equation
1,256,281.11 : 1,884,181.18 = 487,778.75 : x - Step 2: Convert to fraction form
1,256,281.11/1,884,181.18 = 487,778.75/x - Step 3: Cross multiply
1,256,281.11x = 1,884,181.18 × 487,778.75 - Step 4: Simplify right side
1,256,281.11x = 919,063,528,894.13 - Step 5: Solve for x
x = 919,063,528,894.13/1,256,281.11 - Step 6: Final answer
x = 731,574.74
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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.