Home / 579,040.58-868,736.46-279,465.32

Finding the Fourth Proportional to 579,040.58, 868,736.46 and 279,465.32

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Solution

The fourth proportional to 579,040.58, 868,736.46 and 279,465.32 is: 419,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,040.58 : 868,736.46 = 279,465.32 : x
  2. Step 2: Convert to fraction form
    579,040.58/868,736.46 = 279,465.32/x
  3. Step 3: Cross multiply
    579,040.58x = 868,736.46 × 279,465.32
  4. Step 4: Simplify right side
    579,040.58x = 242,781,712,789.57
  5. Step 5: Solve for x
    x = 242,781,712,789.57/579,040.58
  6. Step 6: Final answer
    x = 419,282.73

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1.5x scale

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.