Home / 514,310.75-771,589.25-214,624.59

Finding the Fourth Proportional to 514,310.75, 771,589.25 and 214,624.59

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Solution

The fourth proportional to 514,310.75, 771,589.25 and 214,624.59 is: 321,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,310.75 : 771,589.25 = 214,624.59 : x
  2. Step 2: Convert to fraction form
    514,310.75/771,589.25 = 214,624.59/x
  3. Step 3: Cross multiply
    514,310.75x = 771,589.25 × 214,624.59
  4. Step 4: Simplify right side
    514,310.75x = 165,602,025,356.54
  5. Step 5: Solve for x
    x = 165,602,025,356.54/514,310.75
  6. Step 6: Final answer
    x = 321,988.27

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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.