Home / 797,720.92-1,100,861.90-435,146.39

Finding the Fourth Proportional to 797,720.92, 1,100,861.90 and 435,146.39

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Solution

The fourth proportional to 797,720.92, 1,100,861.90 and 435,146.39 is: 600,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,720.92 : 1,100,861.90 = 435,146.39 : x
  2. Step 2: Convert to fraction form
    797,720.92/1,100,861.90 = 435,146.39/x
  3. Step 3: Cross multiply
    797,720.92x = 1,100,861.90 × 435,146.39
  4. Step 4: Simplify right side
    797,720.92x = 479,036,081,673.54
  5. Step 5: Solve for x
    x = 479,036,081,673.54/797,720.92
  6. Step 6: Final answer
    x = 600,505.85

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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.