Home / 566,945.76-782,385.20-312,296.96

Finding the Fourth Proportional to 566,945.76, 782,385.20 and 312,296.96

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Solution

The fourth proportional to 566,945.76, 782,385.20 and 312,296.96 is: 430,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,945.76 : 782,385.20 = 312,296.96 : x
  2. Step 2: Convert to fraction form
    566,945.76/782,385.20 = 312,296.96/x
  3. Step 3: Cross multiply
    566,945.76x = 782,385.20 × 312,296.96
  4. Step 4: Simplify right side
    566,945.76x = 244,336,519,508.99
  5. Step 5: Solve for x
    x = 244,336,519,508.99/566,945.76
  6. Step 6: Final answer
    x = 430,969.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.