Home / 603,864.14-833,518.23-389,003.54

Finding the Fourth Proportional to 603,864.14, 833,518.23 and 389,003.54

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Solution

The fourth proportional to 603,864.14, 833,518.23 and 389,003.54 is: 536,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,864.14 : 833,518.23 = 389,003.54 : x
  2. Step 2: Convert to fraction form
    603,864.14/833,518.23 = 389,003.54/x
  3. Step 3: Cross multiply
    603,864.14x = 833,518.23 × 389,003.54
  4. Step 4: Simplify right side
    603,864.14x = 324,241,542,124.53
  5. Step 5: Solve for x
    x = 324,241,542,124.53/603,864.14
  6. Step 6: Final answer
    x = 536,944.52

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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.