Home / 647,913.96-972,166.28-332,592.48

Finding the Fourth Proportional to 647,913.96, 972,166.28 and 332,592.48

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Solution

The fourth proportional to 647,913.96, 972,166.28 and 332,592.48 is: 499,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,913.96 : 972,166.28 = 332,592.48 : x
  2. Step 2: Convert to fraction form
    647,913.96/972,166.28 = 332,592.48/x
  3. Step 3: Cross multiply
    647,913.96x = 972,166.28 × 332,592.48
  4. Step 4: Simplify right side
    647,913.96x = 323,335,194,037.57
  5. Step 5: Solve for x
    x = 323,335,194,037.57/647,913.96
  6. Step 6: Final answer
    x = 499,040.33

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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.