Finding the Fourth Proportional to 1,153,317.01, 1,591,571.13 and 637,106.44
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Solution
The fourth proportional to 1,153,317.01, 1,591,571.13 and 637,106.44 is: 879,203.38
Step by Step Solution
- Step 1: Write the proportion equation
1,153,317.01 : 1,591,571.13 = 637,106.44 : x - Step 2: Convert to fraction form
1,153,317.01/1,591,571.13 = 637,106.44/x - Step 3: Cross multiply
1,153,317.01x = 1,591,571.13 × 637,106.44 - Step 4: Simplify right side
1,153,317.01x = 1,014,000,216,641.08 - Step 5: Solve for x
x = 1,014,000,216,641.08/1,153,317.01 - Step 6: Final answer
x = 879,203.38
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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.