Home / 1,263,516.77-1,743,627.26-690,561.05

Finding the Fourth Proportional to 1,263,516.77, 1,743,627.26 and 690,561.05

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Solution

The fourth proportional to 1,263,516.77, 1,743,627.26 and 690,561.05 is: 952,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,516.77 : 1,743,627.26 = 690,561.05 : x
  2. Step 2: Convert to fraction form
    1,263,516.77/1,743,627.26 = 690,561.05/x
  3. Step 3: Cross multiply
    1,263,516.77x = 1,743,627.26 × 690,561.05
  4. Step 4: Simplify right side
    1,263,516.77x = 1,204,081,064,482.49
  5. Step 5: Solve for x
    x = 1,204,081,064,482.49/1,263,516.77
  6. Step 6: Final answer
    x = 952,960.10

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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.