Home / 1,037,821.40-1,556,586.30-327,921.20

Finding the Fourth Proportional to 1,037,821.40, 1,556,586.30 and 327,921.20

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Solution

The fourth proportional to 1,037,821.40, 1,556,586.30 and 327,921.20 is: 491,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,821.40 : 1,556,586.30 = 327,921.20 : x
  2. Step 2: Convert to fraction form
    1,037,821.40/1,556,586.30 = 327,921.20/x
  3. Step 3: Cross multiply
    1,037,821.40x = 1,556,586.30 × 327,921.20
  4. Step 4: Simplify right side
    1,037,821.40x = 510,437,647,399.56
  5. Step 5: Solve for x
    x = 510,437,647,399.56/1,037,821.40
  6. Step 6: Final answer
    x = 491,835.73

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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.