Home / 579,085.84-868,743.56-179,709.56

Finding the Fourth Proportional to 579,085.84, 868,743.56 and 179,709.56

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Solution

The fourth proportional to 579,085.84, 868,743.56 and 179,709.56 is: 269,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,085.84 : 868,743.56 = 179,709.56 : x
  2. Step 2: Convert to fraction form
    579,085.84/868,743.56 = 179,709.56/x
  3. Step 3: Cross multiply
    579,085.84x = 868,743.56 × 179,709.56
  4. Step 4: Simplify right side
    579,085.84x = 156,121,522,920.43
  5. Step 5: Solve for x
    x = 156,121,522,920.43/579,085.84
  6. Step 6: Final answer
    x = 269,599.97

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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.