Home / 981,520.20-1,472,280.30-603,606.60

Finding the Fourth Proportional to 981,520.20, 1,472,280.30 and 603,606.60

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Solution

The fourth proportional to 981,520.20, 1,472,280.30 and 603,606.60 is: 905,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,520.20 : 1,472,280.30 = 603,606.60 : x
  2. Step 2: Convert to fraction form
    981,520.20/1,472,280.30 = 603,606.60/x
  3. Step 3: Cross multiply
    981,520.20x = 1,472,280.30 × 603,606.60
  4. Step 4: Simplify right side
    981,520.20x = 888,678,106,129.98
  5. Step 5: Solve for x
    x = 888,678,106,129.98/981,520.20
  6. Step 6: Final answer
    x = 905,409.90

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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.