Home / 1,101,976.65-1,520,765.87-611,954.42

Finding the Fourth Proportional to 1,101,976.65, 1,520,765.87 and 611,954.42

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Solution

The fourth proportional to 1,101,976.65, 1,520,765.87 and 611,954.42 is: 844,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,976.65 : 1,520,765.87 = 611,954.42 : x
  2. Step 2: Convert to fraction form
    1,101,976.65/1,520,765.87 = 611,954.42/x
  3. Step 3: Cross multiply
    1,101,976.65x = 1,520,765.87 × 611,954.42
  4. Step 4: Simplify right side
    1,101,976.65x = 930,639,385,268.04
  5. Step 5: Solve for x
    x = 930,639,385,268.04/1,101,976.65
  6. Step 6: Final answer
    x = 844,518.24

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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.