Home / 1,397,014.72-1,928,112.24-824,195.68

Finding the Fourth Proportional to 1,397,014.72, 1,928,112.24 and 824,195.68

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Solution

The fourth proportional to 1,397,014.72, 1,928,112.24 and 824,195.68 is: 1,137,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,014.72 : 1,928,112.24 = 824,195.68 : x
  2. Step 2: Convert to fraction form
    1,397,014.72/1,928,112.24 = 824,195.68/x
  3. Step 3: Cross multiply
    1,397,014.72x = 1,928,112.24 × 824,195.68
  4. Step 4: Simplify right side
    1,397,014.72x = 1,589,141,778,763.12
  5. Step 5: Solve for x
    x = 1,589,141,778,763.12/1,397,014.72
  6. Step 6: Final answer
    x = 1,137,526.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.