Finding the Fourth Proportional to 665,812.05, 998,587.76 and 554,209.41
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Solution
The fourth proportional to 665,812.05, 998,587.76 and 554,209.41 is: 831,205.64
Step by Step Solution
- Step 1: Write the proportion equation
665,812.05 : 998,587.76 = 554,209.41 : x - Step 2: Convert to fraction form
665,812.05/998,587.76 = 554,209.41/x - Step 3: Cross multiply
665,812.05x = 998,587.76 × 554,209.41 - Step 4: Simplify right side
665,812.05x = 553,426,730,531.78 - Step 5: Solve for x
x = 553,426,730,531.78/665,812.05 - Step 6: Final answer
x = 831,205.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.