Home / 824,676.96-1,236,627.24-319,474.50

Finding the Fourth Proportional to 824,676.96, 1,236,627.24 and 319,474.50

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Solution

The fourth proportional to 824,676.96, 1,236,627.24 and 319,474.50 is: 479,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,676.96 : 1,236,627.24 = 319,474.50 : x
  2. Step 2: Convert to fraction form
    824,676.96/1,236,627.24 = 319,474.50/x
  3. Step 3: Cross multiply
    824,676.96x = 1,236,627.24 × 319,474.50
  4. Step 4: Simplify right side
    824,676.96x = 395,070,869,185.38
  5. Step 5: Solve for x
    x = 395,070,869,185.38/824,676.96
  6. Step 6: Final answer
    x = 479,061.36

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1.5x scale

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.