Finding the Fourth Proportional to 1,027,838.00, 1,418,953.67 and 640,771.40
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Solution
The fourth proportional to 1,027,838.00, 1,418,953.67 and 640,771.40 is: 884,599.44
Step by Step Solution
- Step 1: Write the proportion equation
1,027,838.00 : 1,418,953.67 = 640,771.40 : x - Step 2: Convert to fraction form
1,027,838.00/1,418,953.67 = 640,771.40/x - Step 3: Cross multiply
1,027,838.00x = 1,418,953.67 × 640,771.40 - Step 4: Simplify right side
1,027,838.00x = 909,224,919,362.41 - Step 5: Solve for x
x = 909,224,919,362.41/1,027,838.00 - Step 6: Final answer
x = 884,599.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.