Home / 403,020.33-556,247.52-231,053.73

Finding the Fourth Proportional to 403,020.33, 556,247.52 and 231,053.73

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Solution

The fourth proportional to 403,020.33, 556,247.52 and 231,053.73 is: 318,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,020.33 : 556,247.52 = 231,053.73 : x
  2. Step 2: Convert to fraction form
    403,020.33/556,247.52 = 231,053.73/x
  3. Step 3: Cross multiply
    403,020.33x = 556,247.52 × 231,053.73
  4. Step 4: Simplify right side
    403,020.33x = 128,523,064,299.25
  5. Step 5: Solve for x
    x = 128,523,064,299.25/403,020.33
  6. Step 6: Final answer
    x = 318,899.70

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1.5x scale

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.