Home / 436,390.57-654,579.27-196,334.95

Finding the Fourth Proportional to 436,390.57, 654,579.27 and 196,334.95

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Solution

The fourth proportional to 436,390.57, 654,579.27 and 196,334.95 is: 294,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,390.57 : 654,579.27 = 196,334.95 : x
  2. Step 2: Convert to fraction form
    436,390.57/654,579.27 = 196,334.95/x
  3. Step 3: Cross multiply
    436,390.57x = 654,579.27 × 196,334.95
  4. Step 4: Simplify right side
    436,390.57x = 128,516,788,246.49
  5. Step 5: Solve for x
    x = 128,516,788,246.49/436,390.57
  6. Step 6: Final answer
    x = 294,499.46

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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.