Home / 578,544.20-867,816.30-204,518.60

Finding the Fourth Proportional to 578,544.20, 867,816.30 and 204,518.60

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Solution

The fourth proportional to 578,544.20, 867,816.30 and 204,518.60 is: 306,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,544.20 : 867,816.30 = 204,518.60 : x
  2. Step 2: Convert to fraction form
    578,544.20/867,816.30 = 204,518.60/x
  3. Step 3: Cross multiply
    578,544.20x = 867,816.30 × 204,518.60
  4. Step 4: Simplify right side
    578,544.20x = 177,484,574,733.18
  5. Step 5: Solve for x
    x = 177,484,574,733.18/578,544.20
  6. Step 6: Final answer
    x = 306,777.90

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Double scale
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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.