Home / 578,967.84-799,006.41-320,873.03

Finding the Fourth Proportional to 578,967.84, 799,006.41 and 320,873.03

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Solution

The fourth proportional to 578,967.84, 799,006.41 and 320,873.03 is: 442,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,967.84 : 799,006.41 = 320,873.03 : x
  2. Step 2: Convert to fraction form
    578,967.84/799,006.41 = 320,873.03/x
  3. Step 3: Cross multiply
    578,967.84x = 799,006.41 × 320,873.03
  4. Step 4: Simplify right side
    578,967.84x = 256,379,603,771.09
  5. Step 5: Solve for x
    x = 256,379,603,771.09/578,967.84
  6. Step 6: Final answer
    x = 442,821.84

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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.