Home / 792,579.48-1,188,855.45-319,252.74

Finding the Fourth Proportional to 792,579.48, 1,188,855.45 and 319,252.74

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Solution

The fourth proportional to 792,579.48, 1,188,855.45 and 319,252.74 is: 478,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,579.48 : 1,188,855.45 = 319,252.74 : x
  2. Step 2: Convert to fraction form
    792,579.48/1,188,855.45 = 319,252.74/x
  3. Step 3: Cross multiply
    792,579.48x = 1,188,855.45 × 319,252.74
  4. Step 4: Simplify right side
    792,579.48x = 379,545,359,876.43
  5. Step 5: Solve for x
    x = 379,545,359,876.43/792,579.48
  6. Step 6: Final answer
    x = 478,873.56

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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.