Home / 836,352.42-1,154,143.87-492,208.59

Finding the Fourth Proportional to 836,352.42, 1,154,143.87 and 492,208.59

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Solution

The fourth proportional to 836,352.42, 1,154,143.87 and 492,208.59 is: 679,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,352.42 : 1,154,143.87 = 492,208.59 : x
  2. Step 2: Convert to fraction form
    836,352.42/1,154,143.87 = 492,208.59/x
  3. Step 3: Cross multiply
    836,352.42x = 1,154,143.87 × 492,208.59
  4. Step 4: Simplify right side
    836,352.42x = 568,079,530,007.36
  5. Step 5: Solve for x
    x = 568,079,530,007.36/836,352.42
  6. Step 6: Final answer
    x = 679,234.64

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Double scale
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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.