Home / 467,832.52-645,560.44-345,390.06

Finding the Fourth Proportional to 467,832.52, 645,560.44 and 345,390.06

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Solution

The fourth proportional to 467,832.52, 645,560.44 and 345,390.06 is: 476,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,832.52 : 645,560.44 = 345,390.06 : x
  2. Step 2: Convert to fraction form
    467,832.52/645,560.44 = 345,390.06/x
  3. Step 3: Cross multiply
    467,832.52x = 645,560.44 × 345,390.06
  4. Step 4: Simplify right side
    467,832.52x = 222,970,159,105.23
  5. Step 5: Solve for x
    x = 222,970,159,105.23/467,832.52
  6. Step 6: Final answer
    x = 476,602.52

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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.