Home / 715,800.70-1,073,708.48-210,370.69

Finding the Fourth Proportional to 715,800.70, 1,073,708.48 and 210,370.69

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Solution

The fourth proportional to 715,800.70, 1,073,708.48 and 210,370.69 is: 315,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,800.70 : 1,073,708.48 = 210,370.69 : x
  2. Step 2: Convert to fraction form
    715,800.70/1,073,708.48 = 210,370.69/x
  3. Step 3: Cross multiply
    715,800.70x = 1,073,708.48 × 210,370.69
  4. Step 4: Simplify right side
    715,800.70x = 225,876,793,796.45
  5. Step 5: Solve for x
    x = 225,876,793,796.45/715,800.70
  6. Step 6: Final answer
    x = 315,558.22

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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.