Home / 814,248.20-1,221,372.30-683,611.40

Finding the Fourth Proportional to 814,248.20, 1,221,372.30 and 683,611.40

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Solution

The fourth proportional to 814,248.20, 1,221,372.30 and 683,611.40 is: 1,025,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,248.20 : 1,221,372.30 = 683,611.40 : x
  2. Step 2: Convert to fraction form
    814,248.20/1,221,372.30 = 683,611.40/x
  3. Step 3: Cross multiply
    814,248.20x = 1,221,372.30 × 683,611.40
  4. Step 4: Simplify right side
    814,248.20x = 834,944,027,924.22
  5. Step 5: Solve for x
    x = 834,944,027,924.22/814,248.20
  6. Step 6: Final answer
    x = 1,025,417.10

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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.