Home / 814,231.20-1,221,346.80-683,594.40

Finding the Fourth Proportional to 814,231.20, 1,221,346.80 and 683,594.40

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Solution

The fourth proportional to 814,231.20, 1,221,346.80 and 683,594.40 is: 1,025,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,231.20 : 1,221,346.80 = 683,594.40 : x
  2. Step 2: Convert to fraction form
    814,231.20/1,221,346.80 = 683,594.40/x
  3. Step 3: Cross multiply
    814,231.20x = 1,221,346.80 × 683,594.40
  4. Step 4: Simplify right side
    814,231.20x = 834,905,832,937.92
  5. Step 5: Solve for x
    x = 834,905,832,937.92/814,231.20
  6. Step 6: Final answer
    x = 1,025,391.60

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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.