Home / 427,135.26-589,569.66-282,046.98

Finding the Fourth Proportional to 427,135.26, 589,569.66 and 282,046.98

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Solution

The fourth proportional to 427,135.26, 589,569.66 and 282,046.98 is: 389,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,135.26 : 589,569.66 = 282,046.98 : x
  2. Step 2: Convert to fraction form
    427,135.26/589,569.66 = 282,046.98/x
  3. Step 3: Cross multiply
    427,135.26x = 589,569.66 × 282,046.98
  4. Step 4: Simplify right side
    427,135.26x = 166,286,342,102.63
  5. Step 5: Solve for x
    x = 166,286,342,102.63/427,135.26
  6. Step 6: Final answer
    x = 389,306.05

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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.