Finding the Fourth Proportional to 746,278.72, 1,030,011.60 and 519,793
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Solution
The fourth proportional to 746,278.72, 1,030,011.60 and 519,793 is: 717,416.70
Step by Step Solution
- Step 1: Write the proportion equation
746,278.72 : 1,030,011.60 = 519,793 : x - Step 2: Convert to fraction form
746,278.72/1,030,011.60 = 519,793/x - Step 3: Cross multiply
746,278.72x = 1,030,011.60 × 519,793 - Step 4: Simplify right side
746,278.72x = 535,392,819,598.80 - Step 5: Solve for x
x = 535,392,819,598.80/746,278.72 - Step 6: Final answer
x = 717,416.70
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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.