Home / 436,280.41-654,415.75-170,227.81

Finding the Fourth Proportional to 436,280.41, 654,415.75 and 170,227.81

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Solution

The fourth proportional to 436,280.41, 654,415.75 and 170,227.81 is: 255,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,280.41 : 654,415.75 = 170,227.81 : x
  2. Step 2: Convert to fraction form
    436,280.41/654,415.75 = 170,227.81/x
  3. Step 3: Cross multiply
    436,280.41x = 654,415.75 × 170,227.81
  4. Step 4: Simplify right side
    436,280.41x = 111,399,755,828.79
  5. Step 5: Solve for x
    x = 111,399,755,828.79/436,280.41
  6. Step 6: Final answer
    x = 255,339.81

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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.