Home / 436,386.57-654,573.27-196,330.95

Finding the Fourth Proportional to 436,386.57, 654,573.27 and 196,330.95

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Solution

The fourth proportional to 436,386.57, 654,573.27 and 196,330.95 is: 294,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,386.57 : 654,573.27 = 196,330.95 : x
  2. Step 2: Convert to fraction form
    436,386.57/654,573.27 = 196,330.95/x
  3. Step 3: Cross multiply
    436,386.57x = 654,573.27 × 196,330.95
  4. Step 4: Simplify right side
    436,386.57x = 128,512,991,943.71
  5. Step 5: Solve for x
    x = 128,512,991,943.71/436,386.57
  6. Step 6: Final answer
    x = 294,493.46

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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.