Home / 514,400.75-771,601.21-214,717.85

Finding the Fourth Proportional to 514,400.75, 771,601.21 and 214,717.85

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Solution

The fourth proportional to 514,400.75, 771,601.21 and 214,717.85 is: 322,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,400.75 : 771,601.21 = 214,717.85 : x
  2. Step 2: Convert to fraction form
    514,400.75/771,601.21 = 214,717.85/x
  3. Step 3: Cross multiply
    514,400.75x = 771,601.21 × 214,717.85
  4. Step 4: Simplify right side
    514,400.75x = 165,676,548,473.80
  5. Step 5: Solve for x
    x = 165,676,548,473.80/514,400.75
  6. Step 6: Final answer
    x = 322,076.81

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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.