Home / 403,618.57-556,996.48-231,544.04

Finding the Fourth Proportional to 403,618.57, 556,996.48 and 231,544.04

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Solution

The fourth proportional to 403,618.57, 556,996.48 and 231,544.04 is: 319,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,618.57 : 556,996.48 = 231,544.04 : x
  2. Step 2: Convert to fraction form
    403,618.57/556,996.48 = 231,544.04/x
  3. Step 3: Cross multiply
    403,618.57x = 556,996.48 × 231,544.04
  4. Step 4: Simplify right side
    403,618.57x = 128,969,211,881.14
  5. Step 5: Solve for x
    x = 128,969,211,881.14/403,618.57
  6. Step 6: Final answer
    x = 319,532.41

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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.