Home / 558,509.10-837,446.28-381,230.70

Finding the Fourth Proportional to 558,509.10, 837,446.28 and 381,230.70

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Solution

The fourth proportional to 558,509.10, 837,446.28 and 381,230.70 is: 571,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,509.10 : 837,446.28 = 381,230.70 : x
  2. Step 2: Convert to fraction form
    558,509.10/837,446.28 = 381,230.70/x
  3. Step 3: Cross multiply
    558,509.10x = 837,446.28 × 381,230.70
  4. Step 4: Simplify right side
    558,509.10x = 319,260,231,536.80
  5. Step 5: Solve for x
    x = 319,260,231,536.80/558,509.10
  6. Step 6: Final answer
    x = 571,629.42

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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.