Finding the Fourth Proportional to 1,368,823.18, 2,053,523.87 and 515,876.78
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Solution
The fourth proportional to 1,368,823.18, 2,053,523.87 and 515,876.78 is: 773,924.12
Step by Step Solution
- Step 1: Write the proportion equation
1,368,823.18 : 2,053,523.87 = 515,876.78 : x - Step 2: Convert to fraction form
1,368,823.18/2,053,523.87 = 515,876.78/x - Step 3: Cross multiply
1,368,823.18x = 2,053,523.87 × 515,876.78 - Step 4: Simplify right side
1,368,823.18x = 1,059,365,281,708.74 - Step 5: Solve for x
x = 1,059,365,281,708.74/1,368,823.18 - Step 6: Final answer
x = 773,924.12
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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.