Home / 563,914.08-778,129.44-322,212.30

Finding the Fourth Proportional to 563,914.08, 778,129.44 and 322,212.30

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Solution

The fourth proportional to 563,914.08, 778,129.44 and 322,212.30 is: 444,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,914.08 : 778,129.44 = 322,212.30 : x
  2. Step 2: Convert to fraction form
    563,914.08/778,129.44 = 322,212.30/x
  3. Step 3: Cross multiply
    563,914.08x = 778,129.44 × 322,212.30
  4. Step 4: Simplify right side
    563,914.08x = 250,722,876,560.11
  5. Step 5: Solve for x
    x = 250,722,876,560.11/563,914.08
  6. Step 6: Final answer
    x = 444,611.84

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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.