Finding the Fourth Proportional to 954,563.40, 1,317,272.18 and 518,967
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Solution
The fourth proportional to 954,563.40, 1,317,272.18 and 518,967 is: 716,160.70
Step by Step Solution
- Step 1: Write the proportion equation
954,563.40 : 1,317,272.18 = 518,967 : x - Step 2: Convert to fraction form
954,563.40/1,317,272.18 = 518,967/x - Step 3: Cross multiply
954,563.40x = 1,317,272.18 × 518,967 - Step 4: Simplify right side
954,563.40x = 683,620,791,438.06 - Step 5: Solve for x
x = 683,620,791,438.06/954,563.40 - Step 6: Final answer
x = 716,160.70
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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.