Home / 527,361.96-791,043.35-128,003.12

Finding the Fourth Proportional to 527,361.96, 791,043.35 and 128,003.12

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Solution

The fourth proportional to 527,361.96, 791,043.35 and 128,003.12 is: 192,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,361.96 : 791,043.35 = 128,003.12 : x
  2. Step 2: Convert to fraction form
    527,361.96/791,043.35 = 128,003.12/x
  3. Step 3: Cross multiply
    527,361.96x = 791,043.35 × 128,003.12
  4. Step 4: Simplify right side
    527,361.96x = 101,256,012,260.02
  5. Step 5: Solve for x
    x = 101,256,012,260.02/527,361.96
  6. Step 6: Final answer
    x = 192,004.77

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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.