Home / 808,522.60-1,211,763.30-409,273.60

Finding the Fourth Proportional to 808,522.60, 1,211,763.30 and 409,273.60

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Solution

The fourth proportional to 808,522.60, 1,211,763.30 and 409,273.60 is: 613,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,522.60 : 1,211,763.30 = 409,273.60 : x
  2. Step 2: Convert to fraction form
    808,522.60/1,211,763.30 = 409,273.60/x
  3. Step 3: Cross multiply
    808,522.60x = 1,211,763.30 × 409,273.60
  4. Step 4: Simplify right side
    808,522.60x = 495,942,728,138.88
  5. Step 5: Solve for x
    x = 495,942,728,138.88/808,522.60
  6. Step 6: Final answer
    x = 613,393.77

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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.