Home / 1,255,301.66-1,732,505.67-765,555.33

Finding the Fourth Proportional to 1,255,301.66, 1,732,505.67 and 765,555.33

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Solution

The fourth proportional to 1,255,301.66, 1,732,505.67 and 765,555.33 is: 1,056,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,301.66 : 1,732,505.67 = 765,555.33 : x
  2. Step 2: Convert to fraction form
    1,255,301.66/1,732,505.67 = 765,555.33/x
  3. Step 3: Cross multiply
    1,255,301.66x = 1,732,505.67 × 765,555.33
  4. Step 4: Simplify right side
    1,255,301.66x = 1,326,328,942,879.12
  5. Step 5: Solve for x
    x = 1,326,328,942,879.12/1,255,301.66
  6. Step 6: Final answer
    x = 1,056,581.84

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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.