Home / 431,530.40-595,767.09-383,651.24

Finding the Fourth Proportional to 431,530.40, 595,767.09 and 383,651.24

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Solution

The fourth proportional to 431,530.40, 595,767.09 and 383,651.24 is: 529,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,530.40 : 595,767.09 = 383,651.24 : x
  2. Step 2: Convert to fraction form
    431,530.40/595,767.09 = 383,651.24/x
  3. Step 3: Cross multiply
    431,530.40x = 595,767.09 × 383,651.24
  4. Step 4: Simplify right side
    431,530.40x = 228,566,779,850.86
  5. Step 5: Solve for x
    x = 228,566,779,850.86/431,530.40
  6. Step 6: Final answer
    x = 529,665.54

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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.