Home / 378,895.34-568,594.01-208,236.23

Finding the Fourth Proportional to 378,895.34, 568,594.01 and 208,236.23

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Solution

The fourth proportional to 378,895.34, 568,594.01 and 208,236.23 is: 312,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,895.34 : 568,594.01 = 208,236.23 : x
  2. Step 2: Convert to fraction form
    378,895.34/568,594.01 = 208,236.23/x
  3. Step 3: Cross multiply
    378,895.34x = 568,594.01 × 208,236.23
  4. Step 4: Simplify right side
    378,895.34x = 118,401,873,042.98
  5. Step 5: Solve for x
    x = 118,401,873,042.98/378,895.34
  6. Step 6: Final answer
    x = 312,492.29

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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.