Home / 814,277.70-1,221,416.55-683,640.90

Finding the Fourth Proportional to 814,277.70, 1,221,416.55 and 683,640.90

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Solution

The fourth proportional to 814,277.70, 1,221,416.55 and 683,640.90 is: 1,025,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,277.70 : 1,221,416.55 = 683,640.90 : x
  2. Step 2: Convert to fraction form
    814,277.70/1,221,416.55 = 683,640.90/x
  3. Step 3: Cross multiply
    814,277.70x = 1,221,416.55 × 683,640.90
  4. Step 4: Simplify right side
    814,277.70x = 835,010,309,516.90
  5. Step 5: Solve for x
    x = 835,010,309,516.90/814,277.70
  6. Step 6: Final answer
    x = 1,025,461.35

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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.