Home / 1,180,062.80-1,770,103.92-338,641.28

Finding the Fourth Proportional to 1,180,062.80, 1,770,103.92 and 338,641.28

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Solution

The fourth proportional to 1,180,062.80, 1,770,103.92 and 338,641.28 is: 507,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,062.80 : 1,770,103.92 = 338,641.28 : x
  2. Step 2: Convert to fraction form
    1,180,062.80/1,770,103.92 = 338,641.28/x
  3. Step 3: Cross multiply
    1,180,062.80x = 1,770,103.92 × 338,641.28
  4. Step 4: Simplify right side
    1,180,062.80x = 599,430,257,201.82
  5. Step 5: Solve for x
    x = 599,430,257,201.82/1,180,062.80
  6. Step 6: Final answer
    x = 507,964.71

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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.