Home / 436,583.20-653,562.60-258,998.80

Finding the Fourth Proportional to 436,583.20, 653,562.60 and 258,998.80

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Solution

The fourth proportional to 436,583.20, 653,562.60 and 258,998.80 is: 387,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,583.20 : 653,562.60 = 258,998.80 : x
  2. Step 2: Convert to fraction form
    436,583.20/653,562.60 = 258,998.80/x
  3. Step 3: Cross multiply
    436,583.20x = 653,562.60 × 258,998.80
  4. Step 4: Simplify right side
    436,583.20x = 169,271,929,124.88
  5. Step 5: Solve for x
    x = 169,271,929,124.88/436,583.20
  6. Step 6: Final answer
    x = 387,719.75

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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.