Home / 875,780.27-1,313,662.53-276,741.53

Finding the Fourth Proportional to 875,780.27, 1,313,662.53 and 276,741.53

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Solution

The fourth proportional to 875,780.27, 1,313,662.53 and 276,741.53 is: 415,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,780.27 : 1,313,662.53 = 276,741.53 : x
  2. Step 2: Convert to fraction form
    875,780.27/1,313,662.53 = 276,741.53/x
  3. Step 3: Cross multiply
    875,780.27x = 1,313,662.53 × 276,741.53
  4. Step 4: Simplify right side
    875,780.27x = 363,544,971,887.56
  5. Step 5: Solve for x
    x = 363,544,971,887.56/875,780.27
  6. Step 6: Final answer
    x = 415,109.80

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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.