Home / 558,358.78-837,129.85-179,063.61

Finding the Fourth Proportional to 558,358.78, 837,129.85 and 179,063.61

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Solution

The fourth proportional to 558,358.78, 837,129.85 and 179,063.61 is: 268,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.78 : 837,129.85 = 179,063.61 : x
  2. Step 2: Convert to fraction form
    558,358.78/837,129.85 = 179,063.61/x
  3. Step 3: Cross multiply
    558,358.78x = 837,129.85 × 179,063.61
  4. Step 4: Simplify right side
    558,358.78x = 149,899,492,532.10
  5. Step 5: Solve for x
    x = 149,899,492,532.10/558,358.78
  6. Step 6: Final answer
    x = 268,464.47

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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.