Home / 1,168,226.66-1,612,173.77-685,140.23

Finding the Fourth Proportional to 1,168,226.66, 1,612,173.77 and 685,140.23

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Solution

The fourth proportional to 1,168,226.66, 1,612,173.77 and 685,140.23 is: 945,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,226.66 : 1,612,173.77 = 685,140.23 : x
  2. Step 2: Convert to fraction form
    1,168,226.66/1,612,173.77 = 685,140.23/x
  3. Step 3: Cross multiply
    1,168,226.66x = 1,612,173.77 × 685,140.23
  4. Step 4: Simplify right side
    1,168,226.66x = 1,104,565,096,091.20
  5. Step 5: Solve for x
    x = 1,104,565,096,091.20/1,168,226.66
  6. Step 6: Final answer
    x = 945,505.82

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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.