Home / 683,583.20-1,025,374.80-484,128.80

Finding the Fourth Proportional to 683,583.20, 1,025,374.80 and 484,128.80

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Solution

The fourth proportional to 683,583.20, 1,025,374.80 and 484,128.80 is: 726,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,583.20 : 1,025,374.80 = 484,128.80 : x
  2. Step 2: Convert to fraction form
    683,583.20/1,025,374.80 = 484,128.80/x
  3. Step 3: Cross multiply
    683,583.20x = 1,025,374.80 × 484,128.80
  4. Step 4: Simplify right side
    683,583.20x = 496,413,471,474.24
  5. Step 5: Solve for x
    x = 496,413,471,474.24/683,583.20
  6. Step 6: Final answer
    x = 726,193.20

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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.