Home / 827,606.23-1,239,834.70-471,540.76

Finding the Fourth Proportional to 827,606.23, 1,239,834.70 and 471,540.76

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Solution

The fourth proportional to 827,606.23, 1,239,834.70 and 471,540.76 is: 706,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,606.23 : 1,239,834.70 = 471,540.76 : x
  2. Step 2: Convert to fraction form
    827,606.23/1,239,834.70 = 471,540.76/x
  3. Step 3: Cross multiply
    827,606.23x = 1,239,834.70 × 471,540.76
  4. Step 4: Simplify right side
    827,606.23x = 584,632,594,202.21
  5. Step 5: Solve for x
    x = 584,632,594,202.21/827,606.23
  6. Step 6: Final answer
    x = 706,413.96

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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.