Home / 579,065.32-868,384.48-199,889.56

Finding the Fourth Proportional to 579,065.32, 868,384.48 and 199,889.56

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Solution

The fourth proportional to 579,065.32, 868,384.48 and 199,889.56 is: 299,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,065.32 : 868,384.48 = 199,889.56 : x
  2. Step 2: Convert to fraction form
    579,065.32/868,384.48 = 199,889.56/x
  3. Step 3: Cross multiply
    579,065.32x = 868,384.48 × 199,889.56
  4. Step 4: Simplify right side
    579,065.32x = 173,580,991,618.03
  5. Step 5: Solve for x
    x = 173,580,991,618.03/579,065.32
  6. Step 6: Final answer
    x = 299,760.64

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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.