Home / 579,246.20-868,235.70-205,076.60

Finding the Fourth Proportional to 579,246.20, 868,235.70 and 205,076.60

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Solution

The fourth proportional to 579,246.20, 868,235.70 and 205,076.60 is: 307,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,246.20 : 868,235.70 = 205,076.60 : x
  2. Step 2: Convert to fraction form
    579,246.20/868,235.70 = 205,076.60/x
  3. Step 3: Cross multiply
    579,246.20x = 868,235.70 × 205,076.60
  4. Step 4: Simplify right side
    579,246.20x = 178,054,825,354.62
  5. Step 5: Solve for x
    x = 178,054,825,354.62/579,246.20
  6. Step 6: Final answer
    x = 307,390.58

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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.