Home / 389,955.63-584,954.22-123,736.98

Finding the Fourth Proportional to 389,955.63, 584,954.22 and 123,736.98

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Solution

The fourth proportional to 389,955.63, 584,954.22 and 123,736.98 is: 185,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,955.63 : 584,954.22 = 123,736.98 : x
  2. Step 2: Convert to fraction form
    389,955.63/584,954.22 = 123,736.98/x
  3. Step 3: Cross multiply
    389,955.63x = 584,954.22 × 123,736.98
  4. Step 4: Simplify right side
    389,955.63x = 72,380,468,621.06
  5. Step 5: Solve for x
    x = 72,380,468,621.06/389,955.63
  6. Step 6: Final answer
    x = 185,612.06

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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.