Home / 828,512.24-1,143,651.96-727,612.40

Finding the Fourth Proportional to 828,512.24, 1,143,651.96 and 727,612.40

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Solution

The fourth proportional to 828,512.24, 1,143,651.96 and 727,612.40 is: 1,004,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,512.24 : 1,143,651.96 = 727,612.40 : x
  2. Step 2: Convert to fraction form
    828,512.24/1,143,651.96 = 727,612.40/x
  3. Step 3: Cross multiply
    828,512.24x = 1,143,651.96 × 727,612.40
  4. Step 4: Simplify right side
    828,512.24x = 832,135,347,380.30
  5. Step 5: Solve for x
    x = 832,135,347,380.30/828,512.24
  6. Step 6: Final answer
    x = 1,004,373.03

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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.