Home / 319,029.55-440,280.39-175,789.56

Finding the Fourth Proportional to 319,029.55, 440,280.39 and 175,789.56

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Solution

The fourth proportional to 319,029.55, 440,280.39 and 175,789.56 is: 242,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,029.55 : 440,280.39 = 175,789.56 : x
  2. Step 2: Convert to fraction form
    319,029.55/440,280.39 = 175,789.56/x
  3. Step 3: Cross multiply
    319,029.55x = 440,280.39 × 175,789.56
  4. Step 4: Simplify right side
    319,029.55x = 77,396,693,833.33
  5. Step 5: Solve for x
    x = 77,396,693,833.33/319,029.55
  6. Step 6: Final answer
    x = 242,600.39

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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.