Home / 384,748.05-577,185.26-118,508.61

Finding the Fourth Proportional to 384,748.05, 577,185.26 and 118,508.61

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Solution

The fourth proportional to 384,748.05, 577,185.26 and 118,508.61 is: 177,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,748.05 : 577,185.26 = 118,508.61 : x
  2. Step 2: Convert to fraction form
    384,748.05/577,185.26 = 118,508.61/x
  3. Step 3: Cross multiply
    384,748.05x = 577,185.26 × 118,508.61
  4. Step 4: Simplify right side
    384,748.05x = 68,401,422,282.55
  5. Step 5: Solve for x
    x = 68,401,422,282.55/384,748.05
  6. Step 6: Final answer
    x = 177,782.38

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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.