Home / 863,217.81-1,191,992.76-541,480.95

Finding the Fourth Proportional to 863,217.81, 1,191,992.76 and 541,480.95

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Solution

The fourth proportional to 863,217.81, 1,191,992.76 and 541,480.95 is: 747,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,217.81 : 1,191,992.76 = 541,480.95 : x
  2. Step 2: Convert to fraction form
    863,217.81/1,191,992.76 = 541,480.95/x
  3. Step 3: Cross multiply
    863,217.81x = 1,191,992.76 × 541,480.95
  4. Step 4: Simplify right side
    863,217.81x = 645,441,372,077.92
  5. Step 5: Solve for x
    x = 645,441,372,077.92/863,217.81
  6. Step 6: Final answer
    x = 747,715.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.