Home / 485,844.06-670,465.72-270,998.04

Finding the Fourth Proportional to 485,844.06, 670,465.72 and 270,998.04

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Solution

The fourth proportional to 485,844.06, 670,465.72 and 270,998.04 is: 373,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,844.06 : 670,465.72 = 270,998.04 : x
  2. Step 2: Convert to fraction form
    485,844.06/670,465.72 = 270,998.04/x
  3. Step 3: Cross multiply
    485,844.06x = 670,465.72 × 270,998.04
  4. Step 4: Simplify right side
    485,844.06x = 181,694,896,007.19
  5. Step 5: Solve for x
    x = 181,694,896,007.19/485,844.06
  6. Step 6: Final answer
    x = 373,977.81

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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.