Home / 453,629.76-625,748.31-283,568.64

Finding the Fourth Proportional to 453,629.76, 625,748.31 and 283,568.64

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Solution

The fourth proportional to 453,629.76, 625,748.31 and 283,568.64 is: 391,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,629.76 : 625,748.31 = 283,568.64 : x
  2. Step 2: Convert to fraction form
    453,629.76/625,748.31 = 283,568.64/x
  3. Step 3: Cross multiply
    453,629.76x = 625,748.31 × 283,568.64
  4. Step 4: Simplify right side
    453,629.76x = 177,442,597,249.00
  5. Step 5: Solve for x
    x = 177,442,597,249.00/453,629.76
  6. Step 6: Final answer
    x = 391,161.72

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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.