Home / 1,263,261.38-1,743,305.35-690,301.64

Finding the Fourth Proportional to 1,263,261.38, 1,743,305.35 and 690,301.64

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Solution

The fourth proportional to 1,263,261.38, 1,743,305.35 and 690,301.64 is: 952,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,261.38 : 1,743,305.35 = 690,301.64 : x
  2. Step 2: Convert to fraction form
    1,263,261.38/1,743,305.35 = 690,301.64/x
  3. Step 3: Cross multiply
    1,263,261.38x = 1,743,305.35 × 690,301.64
  4. Step 4: Simplify right side
    1,263,261.38x = 1,203,406,542,125.77
  5. Step 5: Solve for x
    x = 1,203,406,542,125.77/1,263,261.38
  6. Step 6: Final answer
    x = 952,618.80

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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.