Home / 1,120,824.56-1,678,990.92-1,061,953.52

Finding the Fourth Proportional to 1,120,824.56, 1,678,990.92 and 1,061,953.52

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Solution

The fourth proportional to 1,120,824.56, 1,678,990.92 and 1,061,953.52 is: 1,590,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,824.56 : 1,678,990.92 = 1,061,953.52 : x
  2. Step 2: Convert to fraction form
    1,120,824.56/1,678,990.92 = 1,061,953.52/x
  3. Step 3: Cross multiply
    1,120,824.56x = 1,678,990.92 × 1,061,953.52
  4. Step 4: Simplify right side
    1,120,824.56x = 1,783,010,317,542.04
  5. Step 5: Solve for x
    x = 1,783,010,317,542.04/1,120,824.56
  6. Step 6: Final answer
    x = 1,590,802.33

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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.