Home / 578,976.63-798,757.88-361,057.11

Finding the Fourth Proportional to 578,976.63, 798,757.88 and 361,057.11

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Solution

The fourth proportional to 578,976.63, 798,757.88 and 361,057.11 is: 498,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,976.63 : 798,757.88 = 361,057.11 : x
  2. Step 2: Convert to fraction form
    578,976.63/798,757.88 = 361,057.11/x
  3. Step 3: Cross multiply
    578,976.63x = 798,757.88 × 361,057.11
  4. Step 4: Simplify right side
    578,976.63x = 288,397,209,937.24
  5. Step 5: Solve for x
    x = 288,397,209,937.24/578,976.63
  6. Step 6: Final answer
    x = 498,115.46

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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.