Home / 683,458.20-1,025,187.30-484,003.80

Finding the Fourth Proportional to 683,458.20, 1,025,187.30 and 484,003.80

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Solution

The fourth proportional to 683,458.20, 1,025,187.30 and 484,003.80 is: 726,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,458.20 : 1,025,187.30 = 484,003.80 : x
  2. Step 2: Convert to fraction form
    683,458.20/1,025,187.30 = 484,003.80/x
  3. Step 3: Cross multiply
    683,458.20x = 1,025,187.30 × 484,003.80
  4. Step 4: Simplify right side
    683,458.20x = 496,194,548,911.74
  5. Step 5: Solve for x
    x = 496,194,548,911.74/683,458.20
  6. Step 6: Final answer
    x = 726,005.70

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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.