Home / 460,022.36-690,067.02-144,476.60

Finding the Fourth Proportional to 460,022.36, 690,067.02 and 144,476.60

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Solution

The fourth proportional to 460,022.36, 690,067.02 and 144,476.60 is: 216,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,022.36 : 690,067.02 = 144,476.60 : x
  2. Step 2: Convert to fraction form
    460,022.36/690,067.02 = 144,476.60/x
  3. Step 3: Cross multiply
    460,022.36x = 690,067.02 × 144,476.60
  4. Step 4: Simplify right side
    460,022.36x = 99,698,536,821.73
  5. Step 5: Solve for x
    x = 99,698,536,821.73/460,022.36
  6. Step 6: Final answer
    x = 216,725.41

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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.