Home / 478,007.23-659,668.80-263,167.30

Finding the Fourth Proportional to 478,007.23, 659,668.80 and 263,167.30

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Solution

The fourth proportional to 478,007.23, 659,668.80 and 263,167.30 is: 363,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,007.23 : 659,668.80 = 263,167.30 : x
  2. Step 2: Convert to fraction form
    478,007.23/659,668.80 = 263,167.30/x
  3. Step 3: Cross multiply
    478,007.23x = 659,668.80 × 263,167.30
  4. Step 4: Simplify right side
    478,007.23x = 173,603,256,990.24
  5. Step 5: Solve for x
    x = 173,603,256,990.24/478,007.23
  6. Step 6: Final answer
    x = 363,181.24

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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.