Home / 432,050.85-648,076.28-379,562.85

Finding the Fourth Proportional to 432,050.85, 648,076.28 and 379,562.85

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Solution

The fourth proportional to 432,050.85, 648,076.28 and 379,562.85 is: 569,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,050.85 : 648,076.28 = 379,562.85 : x
  2. Step 2: Convert to fraction form
    432,050.85/648,076.28 = 379,562.85/x
  3. Step 3: Cross multiply
    432,050.85x = 648,076.28 × 379,562.85
  4. Step 4: Simplify right side
    432,050.85x = 245,985,677,956.38
  5. Step 5: Solve for x
    x = 245,985,677,956.38/432,050.85
  6. Step 6: Final answer
    x = 569,344.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.