Home / 790,569.80-1,185,833.20-221,955.64

Finding the Fourth Proportional to 790,569.80, 1,185,833.20 and 221,955.64

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Solution

The fourth proportional to 790,569.80, 1,185,833.20 and 221,955.64 is: 332,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,569.80 : 1,185,833.20 = 221,955.64 : x
  2. Step 2: Convert to fraction form
    790,569.80/1,185,833.20 = 221,955.64/x
  3. Step 3: Cross multiply
    790,569.80x = 1,185,833.20 × 221,955.64
  4. Step 4: Simplify right side
    790,569.80x = 263,202,366,839.25
  5. Step 5: Solve for x
    x = 263,202,366,839.25/790,569.80
  6. Step 6: Final answer
    x = 332,927.42

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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.