Home / 403,558.70-556,862.24-231,467.75

Finding the Fourth Proportional to 403,558.70, 556,862.24 and 231,467.75

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Solution

The fourth proportional to 403,558.70, 556,862.24 and 231,467.75 is: 319,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,558.70 : 556,862.24 = 231,467.75 : x
  2. Step 2: Convert to fraction form
    403,558.70/556,862.24 = 231,467.75/x
  3. Step 3: Cross multiply
    403,558.70x = 556,862.24 × 231,467.75
  4. Step 4: Simplify right side
    403,558.70x = 128,895,645,811.11
  5. Step 5: Solve for x
    x = 128,895,645,811.11/403,558.70
  6. Step 6: Final answer
    x = 319,397.52

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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.