Finding the Fourth Proportional to 1,043,286.70, 1,564,930.05 and 866,139.70
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Solution
The fourth proportional to 1,043,286.70, 1,564,930.05 and 866,139.70 is: 1,299,209.55
Step by Step Solution
- Step 1: Write the proportion equation
1,043,286.70 : 1,564,930.05 = 866,139.70 : x - Step 2: Convert to fraction form
1,043,286.70/1,564,930.05 = 866,139.70/x - Step 3: Cross multiply
1,043,286.70x = 1,564,930.05 × 866,139.70 - Step 4: Simplify right side
1,043,286.70x = 1,355,448,044,027.98 - Step 5: Solve for x
x = 1,355,448,044,027.98/1,043,286.70 - Step 6: Final answer
x = 1,299,209.55
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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.