Home / 493,979.06-740,970.43-120,002.06

Finding the Fourth Proportional to 493,979.06, 740,970.43 and 120,002.06

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Solution

The fourth proportional to 493,979.06, 740,970.43 and 120,002.06 is: 180,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,979.06 : 740,970.43 = 120,002.06 : x
  2. Step 2: Convert to fraction form
    493,979.06/740,970.43 = 120,002.06/x
  3. Step 3: Cross multiply
    493,979.06x = 740,970.43 × 120,002.06
  4. Step 4: Simplify right side
    493,979.06x = 88,917,979,551.51
  5. Step 5: Solve for x
    x = 88,917,979,551.51/493,979.06
  6. Step 6: Final answer
    x = 180,003.54

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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.