Home / 329,424.25-454,654.23-208,576.78

Finding the Fourth Proportional to 329,424.25, 454,654.23 and 208,576.78

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Solution

The fourth proportional to 329,424.25, 454,654.23 and 208,576.78 is: 287,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,424.25 : 454,654.23 = 208,576.78 : x
  2. Step 2: Convert to fraction form
    329,424.25/454,654.23 = 208,576.78/x
  3. Step 3: Cross multiply
    329,424.25x = 454,654.23 × 208,576.78
  4. Step 4: Simplify right side
    329,424.25x = 94,830,315,306.78
  5. Step 5: Solve for x
    x = 94,830,315,306.78/329,424.25
  6. Step 6: Final answer
    x = 287,866.83

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1.5x scale

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.