Home / 683,898.40-1,025,847.60-210,728.80

Finding the Fourth Proportional to 683,898.40, 1,025,847.60 and 210,728.80

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Solution

The fourth proportional to 683,898.40, 1,025,847.60 and 210,728.80 is: 316,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,898.40 : 1,025,847.60 = 210,728.80 : x
  2. Step 2: Convert to fraction form
    683,898.40/1,025,847.60 = 210,728.80/x
  3. Step 3: Cross multiply
    683,898.40x = 1,025,847.60 × 210,728.80
  4. Step 4: Simplify right side
    683,898.40x = 216,175,633,730.88
  5. Step 5: Solve for x
    x = 216,175,633,730.88/683,898.40
  6. Step 6: Final answer
    x = 316,093.20

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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.