Home / 1,236,758.40-1,853,755.20-526,665.60

Finding the Fourth Proportional to 1,236,758.40, 1,853,755.20 and 526,665.60

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Solution

The fourth proportional to 1,236,758.40, 1,853,755.20 and 526,665.60 is: 789,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,758.40 : 1,853,755.20 = 526,665.60 : x
  2. Step 2: Convert to fraction form
    1,236,758.40/1,853,755.20 = 526,665.60/x
  3. Step 3: Cross multiply
    1,236,758.40x = 1,853,755.20 × 526,665.60
  4. Step 4: Simplify right side
    1,236,758.40x = 976,309,094,661.12
  5. Step 5: Solve for x
    x = 976,309,094,661.12/1,236,758.40
  6. Step 6: Final answer
    x = 789,409.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.