Home / 436,823.20-655,256.40-226,871.20

Finding the Fourth Proportional to 436,823.20, 655,256.40 and 226,871.20

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Solution

The fourth proportional to 436,823.20, 655,256.40 and 226,871.20 is: 340,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,823.20 : 655,256.40 = 226,871.20 : x
  2. Step 2: Convert to fraction form
    436,823.20/655,256.40 = 226,871.20/x
  3. Step 3: Cross multiply
    436,823.20x = 655,256.40 × 226,871.20
  4. Step 4: Simplify right side
    436,823.20x = 148,658,805,775.68
  5. Step 5: Solve for x
    x = 148,658,805,775.68/436,823.20
  6. Step 6: Final answer
    x = 340,318.02

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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.