Home / 950,122.88-1,425,315.44-319,217.12

Finding the Fourth Proportional to 950,122.88, 1,425,315.44 and 319,217.12

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Solution

The fourth proportional to 950,122.88, 1,425,315.44 and 319,217.12 is: 478,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,122.88 : 1,425,315.44 = 319,217.12 : x
  2. Step 2: Convert to fraction form
    950,122.88/1,425,315.44 = 319,217.12/x
  3. Step 3: Cross multiply
    950,122.88x = 1,425,315.44 × 319,217.12
  4. Step 4: Simplify right side
    950,122.88x = 454,985,089,848.33
  5. Step 5: Solve for x
    x = 454,985,089,848.33/950,122.88
  6. Step 6: Final answer
    x = 478,869.73

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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.