Home / 603,890.23-833,378.88-331,969.59

Finding the Fourth Proportional to 603,890.23, 833,378.88 and 331,969.59

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Solution

The fourth proportional to 603,890.23, 833,378.88 and 331,969.59 is: 458,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,890.23 : 833,378.88 = 331,969.59 : x
  2. Step 2: Convert to fraction form
    603,890.23/833,378.88 = 331,969.59/x
  3. Step 3: Cross multiply
    603,890.23x = 833,378.88 × 331,969.59
  4. Step 4: Simplify right side
    603,890.23x = 276,656,445,108.26
  5. Step 5: Solve for x
    x = 276,656,445,108.26/603,890.23
  6. Step 6: Final answer
    x = 458,123.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.