Home / 603,488.30-832,819.51-331,561.84

Finding the Fourth Proportional to 603,488.30, 832,819.51 and 331,561.84

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Solution

The fourth proportional to 603,488.30, 832,819.51 and 331,561.84 is: 457,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,488.30 : 832,819.51 = 331,561.84 : x
  2. Step 2: Convert to fraction form
    603,488.30/832,819.51 = 331,561.84/x
  3. Step 3: Cross multiply
    603,488.30x = 832,819.51 × 331,561.84
  4. Step 4: Simplify right side
    603,488.30x = 276,131,172,064.64
  5. Step 5: Solve for x
    x = 276,131,172,064.64/603,488.30
  6. Step 6: Final answer
    x = 457,558.45

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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.