Finding the Fourth Proportional to 1,153,317.51, 1,591,571.84 and 637,106.94
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Solution
The fourth proportional to 1,153,317.51, 1,591,571.84 and 637,106.94 is: 879,204.08
Step by Step Solution
- Step 1: Write the proportion equation
1,153,317.51 : 1,591,571.84 = 637,106.94 : x - Step 2: Convert to fraction form
1,153,317.51/1,591,571.84 = 637,106.94/x - Step 3: Cross multiply
1,153,317.51x = 1,591,571.84 × 637,106.94 - Step 4: Simplify right side
1,153,317.51x = 1,014,001,461,587.03 - Step 5: Solve for x
x = 1,014,001,461,587.03/1,153,317.51 - Step 6: Final answer
x = 879,204.08
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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.