Finding the Fourth Proportional to 974,123.80, 1,344,332.36 and 544,403.91
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Solution
The fourth proportional to 974,123.80, 1,344,332.36 and 544,403.91 is: 751,300.60
Step by Step Solution
- Step 1: Write the proportion equation
974,123.80 : 1,344,332.36 = 544,403.91 : x - Step 2: Convert to fraction form
974,123.80/1,344,332.36 = 544,403.91/x - Step 3: Cross multiply
974,123.80x = 1,344,332.36 × 544,403.91 - Step 4: Simplify right side
974,123.80x = 731,859,790,401.51 - Step 5: Solve for x
x = 731,859,790,401.51/974,123.80 - Step 6: Final answer
x = 751,300.60
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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.