Finding the Fourth Proportional to 1,098,656.84, 1,516,021.14 and 615,154.76
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Solution
The fourth proportional to 1,098,656.84, 1,516,021.14 and 615,154.76 is: 848,843.41
Step by Step Solution
- Step 1: Write the proportion equation
1,098,656.84 : 1,516,021.14 = 615,154.76 : x - Step 2: Convert to fraction form
1,098,656.84/1,516,021.14 = 615,154.76/x - Step 3: Cross multiply
1,098,656.84x = 1,516,021.14 × 615,154.76 - Step 4: Simplify right side
1,098,656.84x = 932,587,620,531.63 - Step 5: Solve for x
x = 932,587,620,531.63/1,098,656.84 - Step 6: Final answer
x = 848,843.41
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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.