Home / 558,581.76-837,668.52-203,490.72

Finding the Fourth Proportional to 558,581.76, 837,668.52 and 203,490.72

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Solution

The fourth proportional to 558,581.76, 837,668.52 and 203,490.72 is: 305,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,581.76 : 837,668.52 = 203,490.72 : x
  2. Step 2: Convert to fraction form
    558,581.76/837,668.52 = 203,490.72/x
  3. Step 3: Cross multiply
    558,581.76x = 837,668.52 × 203,490.72
  4. Step 4: Simplify right side
    558,581.76x = 170,457,770,256.13
  5. Step 5: Solve for x
    x = 170,457,770,256.13/558,581.76
  6. Step 6: Final answer
    x = 305,161.72

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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.