Home / 527,896.50-791,829.37-128,531.50

Finding the Fourth Proportional to 527,896.50, 791,829.37 and 128,531.50

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Solution

The fourth proportional to 527,896.50, 791,829.37 and 128,531.50 is: 192,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,896.50 : 791,829.37 = 128,531.50 : x
  2. Step 2: Convert to fraction form
    527,896.50/791,829.37 = 128,531.50/x
  3. Step 3: Cross multiply
    527,896.50x = 791,829.37 × 128,531.50
  4. Step 4: Simplify right side
    527,896.50x = 101,775,016,670.16
  5. Step 5: Solve for x
    x = 101,775,016,670.16/527,896.50
  6. Step 6: Final answer
    x = 192,793.51

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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.