Home / 329,056.11-453,658.31-261,297.38

Finding the Fourth Proportional to 329,056.11, 453,658.31 and 261,297.38

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Solution

The fourth proportional to 329,056.11, 453,658.31 and 261,297.38 is: 360,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,056.11 : 453,658.31 = 261,297.38 : x
  2. Step 2: Convert to fraction form
    329,056.11/453,658.31 = 261,297.38/x
  3. Step 3: Cross multiply
    329,056.11x = 453,658.31 × 261,297.38
  4. Step 4: Simplify right side
    329,056.11x = 118,539,727,818.23
  5. Step 5: Solve for x
    x = 118,539,727,818.23/329,056.11
  6. Step 6: Final answer
    x = 360,241.69

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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.