Finding the Fourth Proportional to 1,135,461.87, 1,566,917.64 and 619,219.76
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Solution
The fourth proportional to 1,135,461.87, 1,566,917.64 and 619,219.76 is: 854,512.50
Step by Step Solution
- Step 1: Write the proportion equation
1,135,461.87 : 1,566,917.64 = 619,219.76 : x - Step 2: Convert to fraction form
1,135,461.87/1,566,917.64 = 619,219.76/x - Step 3: Cross multiply
1,135,461.87x = 1,566,917.64 × 619,219.76 - Step 4: Simplify right side
1,135,461.87x = 970,266,364,980.57 - Step 5: Solve for x
x = 970,266,364,980.57/1,135,461.87 - Step 6: Final answer
x = 854,512.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.