Home / 403,316.43-556,515-233,517.75

Finding the Fourth Proportional to 403,316.43, 556,515 and 233,517.75

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Solution

The fourth proportional to 403,316.43, 556,515 and 233,517.75 is: 322,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,316.43 : 556,515 = 233,517.75 : x
  2. Step 2: Convert to fraction form
    403,316.43/556,515 = 233,517.75/x
  3. Step 3: Cross multiply
    403,316.43x = 556,515 × 233,517.75
  4. Step 4: Simplify right side
    403,316.43x = 129,956,130,641.25
  5. Step 5: Solve for x
    x = 129,956,130,641.25/403,316.43
  6. Step 6: Final answer
    x = 322,218.79

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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.