Finding the Fourth Proportional to 705,416.16, 973,470.72 and 383,124
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Solution
The fourth proportional to 705,416.16, 973,470.72 and 383,124 is: 528,709.18
Step by Step Solution
- Step 1: Write the proportion equation
705,416.16 : 973,470.72 = 383,124 : x - Step 2: Convert to fraction form
705,416.16/973,470.72 = 383,124/x - Step 3: Cross multiply
705,416.16x = 973,470.72 × 383,124 - Step 4: Simplify right side
705,416.16x = 372,959,996,129.28 - Step 5: Solve for x
x = 372,959,996,129.28/705,416.16 - Step 6: Final answer
x = 528,709.18
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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.