Finding the Fourth Proportional to 639,754.72, 955,483.95 and 579,663.05
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Solution
The fourth proportional to 639,754.72, 955,483.95 and 579,663.05 is: 865,736.07
Step by Step Solution
- Step 1: Write the proportion equation
639,754.72 : 955,483.95 = 579,663.05 : x - Step 2: Convert to fraction form
639,754.72/955,483.95 = 579,663.05/x - Step 3: Cross multiply
639,754.72x = 955,483.95 × 579,663.05 - Step 4: Simplify right side
639,754.72x = 553,858,738,079.36 - Step 5: Solve for x
x = 553,858,738,079.36/639,754.72 - Step 6: Final answer
x = 865,736.07
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.