Home / 439,105.93-605,631.83-377,956.19

Finding the Fourth Proportional to 439,105.93, 605,631.83 and 377,956.19

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Solution

The fourth proportional to 439,105.93, 605,631.83 and 377,956.19 is: 521,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,105.93 : 605,631.83 = 377,956.19 : x
  2. Step 2: Convert to fraction form
    439,105.93/605,631.83 = 377,956.19/x
  3. Step 3: Cross multiply
    439,105.93x = 605,631.83 × 377,956.19
  4. Step 4: Simplify right side
    439,105.93x = 228,902,299,009.53
  5. Step 5: Solve for x
    x = 228,902,299,009.53/439,105.93
  6. Step 6: Final answer
    x = 521,291.76

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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.