Home / 567,282.08-782,845.32-312,633.50

Finding the Fourth Proportional to 567,282.08, 782,845.32 and 312,633.50

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Solution

The fourth proportional to 567,282.08, 782,845.32 and 312,633.50 is: 431,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,282.08 : 782,845.32 = 312,633.50 : x
  2. Step 2: Convert to fraction form
    567,282.08/782,845.32 = 312,633.50/x
  3. Step 3: Cross multiply
    567,282.08x = 782,845.32 × 312,633.50
  4. Step 4: Simplify right side
    567,282.08x = 244,743,672,350.22
  5. Step 5: Solve for x
    x = 244,743,672,350.22/567,282.08
  6. Step 6: Final answer
    x = 431,432.05

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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.