Home / 482,109.27-723,135.20-215,798.28

Finding the Fourth Proportional to 482,109.27, 723,135.20 and 215,798.28

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Solution

The fourth proportional to 482,109.27, 723,135.20 and 215,798.28 is: 323,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,109.27 : 723,135.20 = 215,798.28 : x
  2. Step 2: Convert to fraction form
    482,109.27/723,135.20 = 215,798.28/x
  3. Step 3: Cross multiply
    482,109.27x = 723,135.20 × 215,798.28
  4. Step 4: Simplify right side
    482,109.27x = 156,051,328,576.71
  5. Step 5: Solve for x
    x = 156,051,328,576.71/482,109.27
  6. Step 6: Final answer
    x = 323,684.57

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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.