Home / 527,405.82-791,045.88-137,886.54

Finding the Fourth Proportional to 527,405.82, 791,045.88 and 137,886.54

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Solution

The fourth proportional to 527,405.82, 791,045.88 and 137,886.54 is: 206,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,405.82 : 791,045.88 = 137,886.54 : x
  2. Step 2: Convert to fraction form
    527,405.82/791,045.88 = 137,886.54/x
  3. Step 3: Cross multiply
    527,405.82x = 791,045.88 × 137,886.54
  4. Step 4: Simplify right side
    527,405.82x = 109,074,579,374.46
  5. Step 5: Solve for x
    x = 109,074,579,374.46/527,405.82
  6. Step 6: Final answer
    x = 206,813.38

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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.