Home / 567,280.08-782,842.56-312,631.50

Finding the Fourth Proportional to 567,280.08, 782,842.56 and 312,631.50

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Solution

The fourth proportional to 567,280.08, 782,842.56 and 312,631.50 is: 431,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,280.08 : 782,842.56 = 312,631.50 : x
  2. Step 2: Convert to fraction form
    567,280.08/782,842.56 = 312,631.50/x
  3. Step 3: Cross multiply
    567,280.08x = 782,842.56 × 312,631.50
  4. Step 4: Simplify right side
    567,280.08x = 244,741,243,796.64
  5. Step 5: Solve for x
    x = 244,741,243,796.64/567,280.08
  6. Step 6: Final answer
    x = 431,429.29

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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.