Finding the Fourth Proportional to 705,526.09, 973,643.57 and 383,236.09
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Solution
The fourth proportional to 705,526.09, 973,643.57 and 383,236.09 is: 528,875.34
Step by Step Solution
- Step 1: Write the proportion equation
705,526.09 : 973,643.57 = 383,236.09 : x - Step 2: Convert to fraction form
705,526.09/973,643.57 = 383,236.09/x - Step 3: Cross multiply
705,526.09x = 973,643.57 × 383,236.09 - Step 4: Simplify right side
705,526.09x = 373,135,352,904.26 - Step 5: Solve for x
x = 373,135,352,904.26/705,526.09 - Step 6: Final answer
x = 528,875.34
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1.5x scale
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.