Home / 621,272.75-856,934.91-403,091.64

Finding the Fourth Proportional to 621,272.75, 856,934.91 and 403,091.64

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Solution

The fourth proportional to 621,272.75, 856,934.91 and 403,091.64 is: 555,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,272.75 : 856,934.91 = 403,091.64 : x
  2. Step 2: Convert to fraction form
    621,272.75/856,934.91 = 403,091.64/x
  3. Step 3: Cross multiply
    621,272.75x = 856,934.91 × 403,091.64
  4. Step 4: Simplify right side
    621,272.75x = 345,423,298,245.15
  5. Step 5: Solve for x
    x = 345,423,298,245.15/621,272.75
  6. Step 6: Final answer
    x = 555,993.00

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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.