Home / 436,388.57-654,576.27-196,332.95

Finding the Fourth Proportional to 436,388.57, 654,576.27 and 196,332.95

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Solution

The fourth proportional to 436,388.57, 654,576.27 and 196,332.95 is: 294,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,388.57 : 654,576.27 = 196,332.95 : x
  2. Step 2: Convert to fraction form
    436,388.57/654,576.27 = 196,332.95/x
  3. Step 3: Cross multiply
    436,388.57x = 654,576.27 × 196,332.95
  4. Step 4: Simplify right side
    436,388.57x = 128,514,890,089.10
  5. Step 5: Solve for x
    x = 128,514,890,089.10/436,388.57
  6. Step 6: Final answer
    x = 294,496.46

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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.