Home / 531,872.64-797,575.20-199,215.36

Finding the Fourth Proportional to 531,872.64, 797,575.20 and 199,215.36

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Solution

The fourth proportional to 531,872.64, 797,575.20 and 199,215.36 is: 298,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,872.64 : 797,575.20 = 199,215.36 : x
  2. Step 2: Convert to fraction form
    531,872.64/797,575.20 = 199,215.36/x
  3. Step 3: Cross multiply
    531,872.64x = 797,575.20 × 199,215.36
  4. Step 4: Simplify right side
    531,872.64x = 158,889,230,595.07
  5. Step 5: Solve for x
    x = 158,889,230,595.07/531,872.64
  6. Step 6: Final answer
    x = 298,735.48

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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.