Home / 552,739.34-827,780.34-315,362.36

Finding the Fourth Proportional to 552,739.34, 827,780.34 and 315,362.36

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Solution

The fourth proportional to 552,739.34, 827,780.34 and 315,362.36 is: 472,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,739.34 : 827,780.34 = 315,362.36 : x
  2. Step 2: Convert to fraction form
    552,739.34/827,780.34 = 315,362.36/x
  3. Step 3: Cross multiply
    552,739.34x = 827,780.34 × 315,362.36
  4. Step 4: Simplify right side
    552,739.34x = 261,050,764,836.06
  5. Step 5: Solve for x
    x = 261,050,764,836.06/552,739.34
  6. Step 6: Final answer
    x = 472,285.48

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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.