Home / 1,189,889.06-1,780,886.57-1,083,518.82

Finding the Fourth Proportional to 1,189,889.06, 1,780,886.57 and 1,083,518.82

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Solution

The fourth proportional to 1,189,889.06, 1,780,886.57 and 1,083,518.82 is: 1,621,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,889.06 : 1,780,886.57 = 1,083,518.82 : x
  2. Step 2: Convert to fraction form
    1,189,889.06/1,780,886.57 = 1,083,518.82/x
  3. Step 3: Cross multiply
    1,189,889.06x = 1,780,886.57 × 1,083,518.82
  4. Step 4: Simplify right side
    1,189,889.06x = 1,929,624,109,462.65
  5. Step 5: Solve for x
    x = 1,929,624,109,462.65/1,189,889.06
  6. Step 6: Final answer
    x = 1,621,684.06

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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.