Home / 527,402.34-791,016.03-190,378.35

Finding the Fourth Proportional to 527,402.34, 791,016.03 and 190,378.35

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Solution

The fourth proportional to 527,402.34, 791,016.03 and 190,378.35 is: 285,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,402.34 : 791,016.03 = 190,378.35 : x
  2. Step 2: Convert to fraction form
    527,402.34/791,016.03 = 190,378.35/x
  3. Step 3: Cross multiply
    527,402.34x = 791,016.03 × 190,378.35
  4. Step 4: Simplify right side
    527,402.34x = 150,592,326,614.95
  5. Step 5: Solve for x
    x = 150,592,326,614.95/527,402.34
  6. Step 6: Final answer
    x = 285,535.95

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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.