Home / 836,485.80-1,253,346.30-712,069.80

Finding the Fourth Proportional to 836,485.80, 1,253,346.30 and 712,069.80

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Solution

The fourth proportional to 836,485.80, 1,253,346.30 and 712,069.80 is: 1,066,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,485.80 : 1,253,346.30 = 712,069.80 : x
  2. Step 2: Convert to fraction form
    836,485.80/1,253,346.30 = 712,069.80/x
  3. Step 3: Cross multiply
    836,485.80x = 1,253,346.30 × 712,069.80
  4. Step 4: Simplify right side
    836,485.80x = 892,470,049,171.74
  5. Step 5: Solve for x
    x = 892,470,049,171.74/836,485.80
  6. Step 6: Final answer
    x = 1,066,927.91

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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.