Home / 1,203,935.21-1,661,367.01-687,586.94

Finding the Fourth Proportional to 1,203,935.21, 1,661,367.01 and 687,586.94

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Solution

The fourth proportional to 1,203,935.21, 1,661,367.01 and 687,586.94 is: 948,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,935.21 : 1,661,367.01 = 687,586.94 : x
  2. Step 2: Convert to fraction form
    1,203,935.21/1,661,367.01 = 687,586.94/x
  3. Step 3: Cross multiply
    1,203,935.21x = 1,661,367.01 × 687,586.94
  4. Step 4: Simplify right side
    1,203,935.21x = 1,142,334,258,622.85
  5. Step 5: Solve for x
    x = 1,142,334,258,622.85/1,203,935.21
  6. Step 6: Final answer
    x = 948,833.67

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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.