Finding the Fourth Proportional to 986,854.46, 1,361,783.14 and 557,177.00
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Solution
The fourth proportional to 986,854.46, 1,361,783.14 and 557,177.00 is: 768,861.34
Step by Step Solution
- Step 1: Write the proportion equation
986,854.46 : 1,361,783.14 = 557,177.00 : x - Step 2: Convert to fraction form
986,854.46/1,361,783.14 = 557,177.00/x - Step 3: Cross multiply
986,854.46x = 1,361,783.14 × 557,177.00 - Step 4: Simplify right side
986,854.46x = 758,754,236,393.92 - Step 5: Solve for x
x = 758,754,236,393.92/986,854.46 - Step 6: Final answer
x = 768,861.34
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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.