Home / 1,215,192.33-1,821,203.06-879,364.17

Finding the Fourth Proportional to 1,215,192.33, 1,821,203.06 and 879,364.17

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Solution

The fourth proportional to 1,215,192.33, 1,821,203.06 and 879,364.17 is: 1,317,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,192.33 : 1,821,203.06 = 879,364.17 : x
  2. Step 2: Convert to fraction form
    1,215,192.33/1,821,203.06 = 879,364.17/x
  3. Step 3: Cross multiply
    1,215,192.33x = 1,821,203.06 × 879,364.17
  4. Step 4: Simplify right side
    1,215,192.33x = 1,601,500,712,861.54
  5. Step 5: Solve for x
    x = 1,601,500,712,861.54/1,215,192.33
  6. Step 6: Final answer
    x = 1,317,898.96

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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.