Home / 814,342.56-1,123,794.03-451,766.40

Finding the Fourth Proportional to 814,342.56, 1,123,794.03 and 451,766.40

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Solution

The fourth proportional to 814,342.56, 1,123,794.03 and 451,766.40 is: 623,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,342.56 : 1,123,794.03 = 451,766.40 : x
  2. Step 2: Convert to fraction form
    814,342.56/1,123,794.03 = 451,766.40/x
  3. Step 3: Cross multiply
    814,342.56x = 1,123,794.03 × 451,766.40
  4. Step 4: Simplify right side
    814,342.56x = 507,692,383,274.59
  5. Step 5: Solve for x
    x = 507,692,383,274.59/814,342.56
  6. Step 6: Final answer
    x = 623,438.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.