Home / 578,538.20-867,807.30-204,512.60

Finding the Fourth Proportional to 578,538.20, 867,807.30 and 204,512.60

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Solution

The fourth proportional to 578,538.20, 867,807.30 and 204,512.60 is: 306,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,538.20 : 867,807.30 = 204,512.60 : x
  2. Step 2: Convert to fraction form
    578,538.20/867,807.30 = 204,512.60/x
  3. Step 3: Cross multiply
    578,538.20x = 867,807.30 × 204,512.60
  4. Step 4: Simplify right side
    578,538.20x = 177,477,527,221.98
  5. Step 5: Solve for x
    x = 177,477,527,221.98/578,538.20
  6. Step 6: Final answer
    x = 306,768.90

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Similar ratio
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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.