Home / 568,628.20-851,819.10-369,087.40

Finding the Fourth Proportional to 568,628.20, 851,819.10 and 369,087.40

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Solution

The fourth proportional to 568,628.20, 851,819.10 and 369,087.40 is: 552,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,628.20 : 851,819.10 = 369,087.40 : x
  2. Step 2: Convert to fraction form
    568,628.20/851,819.10 = 369,087.40/x
  3. Step 3: Cross multiply
    568,628.20x = 851,819.10 × 369,087.40
  4. Step 4: Simplify right side
    568,628.20x = 314,395,696,889.34
  5. Step 5: Solve for x
    x = 314,395,696,889.34/568,628.20
  6. Step 6: Final answer
    x = 552,902.05

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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.