Home / 436,561.18-654,841.95-196,394.56

Finding the Fourth Proportional to 436,561.18, 654,841.95 and 196,394.56

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Solution

The fourth proportional to 436,561.18, 654,841.95 and 196,394.56 is: 294,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,561.18 : 654,841.95 = 196,394.56 : x
  2. Step 2: Convert to fraction form
    436,561.18/654,841.95 = 196,394.56/x
  3. Step 3: Cross multiply
    436,561.18x = 654,841.95 × 196,394.56
  4. Step 4: Simplify right side
    436,561.18x = 128,607,396,639.79
  5. Step 5: Solve for x
    x = 128,607,396,639.79/436,561.18
  6. Step 6: Final answer
    x = 294,591.92

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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.