Finding the Fourth Proportional to 1,056,191.21, 1,457,544.21 and 572,756.21
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Solution
The fourth proportional to 1,056,191.21, 1,457,544.21 and 572,756.21 is: 790,403.75
Step by Step Solution
- Step 1: Write the proportion equation
1,056,191.21 : 1,457,544.21 = 572,756.21 : x - Step 2: Convert to fraction form
1,056,191.21/1,457,544.21 = 572,756.21/x - Step 3: Cross multiply
1,056,191.21x = 1,457,544.21 × 572,756.21 - Step 4: Simplify right side
1,056,191.21x = 834,817,493,657.28 - Step 5: Solve for x
x = 834,817,493,657.28/1,056,191.21 - Step 6: Final answer
x = 790,403.75
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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.