Home / 836,538.30-1,253,930.22-409,485.24

Finding the Fourth Proportional to 836,538.30, 1,253,930.22 and 409,485.24

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Solution

The fourth proportional to 836,538.30, 1,253,930.22 and 409,485.24 is: 613,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,538.30 : 1,253,930.22 = 409,485.24 : x
  2. Step 2: Convert to fraction form
    836,538.30/1,253,930.22 = 409,485.24/x
  3. Step 3: Cross multiply
    836,538.30x = 1,253,930.22 × 409,485.24
  4. Step 4: Simplify right side
    836,538.30x = 513,465,917,079.95
  5. Step 5: Solve for x
    x = 513,465,917,079.95/836,538.30
  6. Step 6: Final answer
    x = 613,798.46

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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.