Home / 1,236,558.18-1,715,180.65-1,203,782.34

Finding the Fourth Proportional to 1,236,558.18, 1,715,180.65 and 1,203,782.34

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Solution

The fourth proportional to 1,236,558.18, 1,715,180.65 and 1,203,782.34 is: 1,669,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,558.18 : 1,715,180.65 = 1,203,782.34 : x
  2. Step 2: Convert to fraction form
    1,236,558.18/1,715,180.65 = 1,203,782.34/x
  3. Step 3: Cross multiply
    1,236,558.18x = 1,715,180.65 × 1,203,782.34
  4. Step 4: Simplify right side
    1,236,558.18x = 2,064,704,176,379.72
  5. Step 5: Solve for x
    x = 2,064,704,176,379.72/1,236,558.18
  6. Step 6: Final answer
    x = 1,669,718.59

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.