Home / 501,261.46-751,118.16-338,517.68

Finding the Fourth Proportional to 501,261.46, 751,118.16 and 338,517.68

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Solution

The fourth proportional to 501,261.46, 751,118.16 and 338,517.68 is: 507,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,261.46 : 751,118.16 = 338,517.68 : x
  2. Step 2: Convert to fraction form
    501,261.46/751,118.16 = 338,517.68/x
  3. Step 3: Cross multiply
    501,261.46x = 751,118.16 × 338,517.68
  4. Step 4: Simplify right side
    501,261.46x = 254,266,778,667.96
  5. Step 5: Solve for x
    x = 254,266,778,667.96/501,261.46
  6. Step 6: Final answer
    x = 507,253.79

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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.