Home / 436,926.60-655,389.90-259,342.20

Finding the Fourth Proportional to 436,926.60, 655,389.90 and 259,342.20

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Solution

The fourth proportional to 436,926.60, 655,389.90 and 259,342.20 is: 389,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,926.60 : 655,389.90 = 259,342.20 : x
  2. Step 2: Convert to fraction form
    436,926.60/655,389.90 = 259,342.20/x
  3. Step 3: Cross multiply
    436,926.60x = 655,389.90 × 259,342.20
  4. Step 4: Simplify right side
    436,926.60x = 169,970,258,523.78
  5. Step 5: Solve for x
    x = 169,970,258,523.78/436,926.60
  6. Step 6: Final answer
    x = 389,013.30

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1.5x scale

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.