Home / 1,188,166.40-1,783,999.20-922,227.20

Finding the Fourth Proportional to 1,188,166.40, 1,783,999.20 and 922,227.20

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Solution

The fourth proportional to 1,188,166.40, 1,783,999.20 and 922,227.20 is: 1,384,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,166.40 : 1,783,999.20 = 922,227.20 : x
  2. Step 2: Convert to fraction form
    1,188,166.40/1,783,999.20 = 922,227.20/x
  3. Step 3: Cross multiply
    1,188,166.40x = 1,783,999.20 × 922,227.20
  4. Step 4: Simplify right side
    1,188,166.40x = 1,645,252,587,018.24
  5. Step 5: Solve for x
    x = 1,645,252,587,018.24/1,188,166.40
  6. Step 6: Final answer
    x = 1,384,698.80

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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.