Home / 450,739.72-621,997.12-246,751.56

Finding the Fourth Proportional to 450,739.72, 621,997.12 and 246,751.56

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Solution

The fourth proportional to 450,739.72, 621,997.12 and 246,751.56 is: 340,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,739.72 : 621,997.12 = 246,751.56 : x
  2. Step 2: Convert to fraction form
    450,739.72/621,997.12 = 246,751.56/x
  3. Step 3: Cross multiply
    450,739.72x = 621,997.12 × 246,751.56
  4. Step 4: Simplify right side
    450,739.72x = 153,478,759,675.51
  5. Step 5: Solve for x
    x = 153,478,759,675.51/450,739.72
  6. Step 6: Final answer
    x = 340,504.18

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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.