Home / 384,925.56-531,175.74-212,833.56

Finding the Fourth Proportional to 384,925.56, 531,175.74 and 212,833.56

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Solution

The fourth proportional to 384,925.56, 531,175.74 and 212,833.56 is: 293,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,925.56 : 531,175.74 = 212,833.56 : x
  2. Step 2: Convert to fraction form
    384,925.56/531,175.74 = 212,833.56/x
  3. Step 3: Cross multiply
    384,925.56x = 531,175.74 × 212,833.56
  4. Step 4: Simplify right side
    384,925.56x = 113,052,023,729.83
  5. Step 5: Solve for x
    x = 113,052,023,729.83/384,925.56
  6. Step 6: Final answer
    x = 293,698.41

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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.