Home / 497,245.10-686,018.31-325,261.14

Finding the Fourth Proportional to 497,245.10, 686,018.31 and 325,261.14

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Solution

The fourth proportional to 497,245.10, 686,018.31 and 325,261.14 is: 448,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,245.10 : 686,018.31 = 325,261.14 : x
  2. Step 2: Convert to fraction form
    497,245.10/686,018.31 = 325,261.14/x
  3. Step 3: Cross multiply
    497,245.10x = 686,018.31 × 325,261.14
  4. Step 4: Simplify right side
    497,245.10x = 223,135,097,571.47
  5. Step 5: Solve for x
    x = 223,135,097,571.47/497,245.10
  6. Step 6: Final answer
    x = 448,742.68

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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.