Home / 814,264.20-1,221,396.30-683,627.40

Finding the Fourth Proportional to 814,264.20, 1,221,396.30 and 683,627.40

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Solution

The fourth proportional to 814,264.20, 1,221,396.30 and 683,627.40 is: 1,025,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,264.20 : 1,221,396.30 = 683,627.40 : x
  2. Step 2: Convert to fraction form
    814,264.20/1,221,396.30 = 683,627.40/x
  3. Step 3: Cross multiply
    814,264.20x = 1,221,396.30 × 683,627.40
  4. Step 4: Simplify right side
    814,264.20x = 834,979,976,938.62
  5. Step 5: Solve for x
    x = 834,979,976,938.62/814,264.20
  6. Step 6: Final answer
    x = 1,025,441.10

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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.