Home / 558,319.20-837,219.60-242,613.60

Finding the Fourth Proportional to 558,319.20, 837,219.60 and 242,613.60

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Solution

The fourth proportional to 558,319.20, 837,219.60 and 242,613.60 is: 363,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,319.20 : 837,219.60 = 242,613.60 : x
  2. Step 2: Convert to fraction form
    558,319.20/837,219.60 = 242,613.60/x
  3. Step 3: Cross multiply
    558,319.20x = 837,219.60 × 242,613.60
  4. Step 4: Simplify right side
    558,319.20x = 203,120,861,146.56
  5. Step 5: Solve for x
    x = 203,120,861,146.56/558,319.20
  6. Step 6: Final answer
    x = 363,807.77

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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.