Home / 725,025.60-1,086,469.20-525,765.60

Finding the Fourth Proportional to 725,025.60, 1,086,469.20 and 525,765.60

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Solution

The fourth proportional to 725,025.60, 1,086,469.20 and 525,765.60 is: 787,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,025.60 : 1,086,469.20 = 525,765.60 : x
  2. Step 2: Convert to fraction form
    725,025.60/1,086,469.20 = 525,765.60/x
  3. Step 3: Cross multiply
    725,025.60x = 1,086,469.20 × 525,765.60
  4. Step 4: Simplify right side
    725,025.60x = 571,228,130,819.52
  5. Step 5: Solve for x
    x = 571,228,130,819.52/725,025.60
  6. Step 6: Final answer
    x = 787,873.05

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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.