Home / 432,856.20-648,846.90-196,368.60

Finding the Fourth Proportional to 432,856.20, 648,846.90 and 196,368.60

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Solution

The fourth proportional to 432,856.20, 648,846.90 and 196,368.60 is: 294,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,856.20 : 648,846.90 = 196,368.60 : x
  2. Step 2: Convert to fraction form
    432,856.20/648,846.90 = 196,368.60/x
  3. Step 3: Cross multiply
    432,856.20x = 648,846.90 × 196,368.60
  4. Step 4: Simplify right side
    432,856.20x = 127,413,157,367.34
  5. Step 5: Solve for x
    x = 127,413,157,367.34/432,856.20
  6. Step 6: Final answer
    x = 294,354.47

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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.