Home / 751,562.96-1,127,240.76-415,225.04

Finding the Fourth Proportional to 751,562.96, 1,127,240.76 and 415,225.04

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Solution

The fourth proportional to 751,562.96, 1,127,240.76 and 415,225.04 is: 622,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,562.96 : 1,127,240.76 = 415,225.04 : x
  2. Step 2: Convert to fraction form
    751,562.96/1,127,240.76 = 415,225.04/x
  3. Step 3: Cross multiply
    751,562.96x = 1,127,240.76 × 415,225.04
  4. Step 4: Simplify right side
    751,562.96x = 468,058,589,660.63
  5. Step 5: Solve for x
    x = 468,058,589,660.63/751,562.96
  6. Step 6: Final answer
    x = 622,780.28

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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.