Home / 1,059,635.60-1,588,906.20-311,584.40

Finding the Fourth Proportional to 1,059,635.60, 1,588,906.20 and 311,584.40

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Solution

The fourth proportional to 1,059,635.60, 1,588,906.20 and 311,584.40 is: 467,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,635.60 : 1,588,906.20 = 311,584.40 : x
  2. Step 2: Convert to fraction form
    1,059,635.60/1,588,906.20 = 311,584.40/x
  3. Step 3: Cross multiply
    1,059,635.60x = 1,588,906.20 × 311,584.40
  4. Step 4: Simplify right side
    1,059,635.60x = 495,078,384,983.28
  5. Step 5: Solve for x
    x = 495,078,384,983.28/1,059,635.60
  6. Step 6: Final answer
    x = 467,215.70

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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.