Home / 439,106.17-605,632.19-377,956.44

Finding the Fourth Proportional to 439,106.17, 605,632.19 and 377,956.44

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Solution

The fourth proportional to 439,106.17, 605,632.19 and 377,956.44 is: 521,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,106.17 : 605,632.19 = 377,956.44 : x
  2. Step 2: Convert to fraction form
    439,106.17/605,632.19 = 377,956.44/x
  3. Step 3: Cross multiply
    439,106.17x = 605,632.19 × 377,956.44
  4. Step 4: Simplify right side
    439,106.17x = 228,902,582,320.90
  5. Step 5: Solve for x
    x = 228,902,582,320.90/439,106.17
  6. Step 6: Final answer
    x = 521,292.11

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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.