Home / 467,921.24-645,729.38-253,060.80

Finding the Fourth Proportional to 467,921.24, 645,729.38 and 253,060.80

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Solution

The fourth proportional to 467,921.24, 645,729.38 and 253,060.80 is: 349,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,921.24 : 645,729.38 = 253,060.80 : x
  2. Step 2: Convert to fraction form
    467,921.24/645,729.38 = 253,060.80/x
  3. Step 3: Cross multiply
    467,921.24x = 645,729.38 × 253,060.80
  4. Step 4: Simplify right side
    467,921.24x = 163,408,793,486.30
  5. Step 5: Solve for x
    x = 163,408,793,486.30/467,921.24
  6. Step 6: Final answer
    x = 349,222.86

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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.