Home / 432,241.20-647,535.60-232,495.20

Finding the Fourth Proportional to 432,241.20, 647,535.60 and 232,495.20

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Solution

The fourth proportional to 432,241.20, 647,535.60 and 232,495.20 is: 348,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,241.20 : 647,535.60 = 232,495.20 : x
  2. Step 2: Convert to fraction form
    432,241.20/647,535.60 = 232,495.20/x
  3. Step 3: Cross multiply
    432,241.20x = 647,535.60 × 232,495.20
  4. Step 4: Simplify right side
    432,241.20x = 150,548,918,829.12
  5. Step 5: Solve for x
    x = 150,548,918,829.12/432,241.20
  6. Step 6: Final answer
    x = 348,298.40

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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.