Finding the Fourth Proportional to 705,584.16, 973,712.88 and 383,296.68
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Solution
The fourth proportional to 705,584.16, 973,712.88 and 383,296.68 is: 528,953.08
Step by Step Solution
- Step 1: Write the proportion equation
705,584.16 : 973,712.88 = 383,296.68 : x - Step 2: Convert to fraction form
705,584.16/973,712.88 = 383,296.68/x - Step 3: Cross multiply
705,584.16x = 973,712.88 × 383,296.68 - Step 4: Simplify right side
705,584.16x = 373,220,914,177.24 - Step 5: Solve for x
x = 373,220,914,177.24/705,584.16 - Step 6: Final answer
x = 528,953.08
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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.