Home / 578,933.20-798,633.88-395,033.84

Finding the Fourth Proportional to 578,933.20, 798,633.88 and 395,033.84

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Solution

The fourth proportional to 578,933.20, 798,633.88 and 395,033.84 is: 544,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,933.20 : 798,633.88 = 395,033.84 : x
  2. Step 2: Convert to fraction form
    578,933.20/798,633.88 = 395,033.84/x
  3. Step 3: Cross multiply
    578,933.20x = 798,633.88 × 395,033.84
  4. Step 4: Simplify right side
    578,933.20x = 315,487,408,370.50
  5. Step 5: Solve for x
    x = 315,487,408,370.50/578,933.20
  6. Step 6: Final answer
    x = 544,946.13

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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.