Home / 504,720.15-696,589.37-323,636.55

Finding the Fourth Proportional to 504,720.15, 696,589.37 and 323,636.55

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Solution

The fourth proportional to 504,720.15, 696,589.37 and 323,636.55 is: 446,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,720.15 : 696,589.37 = 323,636.55 : x
  2. Step 2: Convert to fraction form
    504,720.15/696,589.37 = 323,636.55/x
  3. Step 3: Cross multiply
    504,720.15x = 696,589.37 × 323,636.55
  4. Step 4: Simplify right side
    504,720.15x = 225,441,778,855.29
  5. Step 5: Solve for x
    x = 225,441,778,855.29/504,720.15
  6. Step 6: Final answer
    x = 446,666.89

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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.