Home / 485,886.24-670,533.12-271,035.36

Finding the Fourth Proportional to 485,886.24, 670,533.12 and 271,035.36

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Solution

The fourth proportional to 485,886.24, 670,533.12 and 271,035.36 is: 374,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,886.24 : 670,533.12 = 271,035.36 : x
  2. Step 2: Convert to fraction form
    485,886.24/670,533.12 = 271,035.36/x
  3. Step 3: Cross multiply
    485,886.24x = 670,533.12 × 271,035.36
  4. Step 4: Simplify right side
    485,886.24x = 181,738,185,571.12
  5. Step 5: Solve for x
    x = 181,738,185,571.12/485,886.24
  6. Step 6: Final answer
    x = 374,034.44

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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.