Home / 762,842.07-1,052,771.25-423,310.32

Finding the Fourth Proportional to 762,842.07, 1,052,771.25 and 423,310.32

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Solution

The fourth proportional to 762,842.07, 1,052,771.25 and 423,310.32 is: 584,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,842.07 : 1,052,771.25 = 423,310.32 : x
  2. Step 2: Convert to fraction form
    762,842.07/1,052,771.25 = 423,310.32/x
  3. Step 3: Cross multiply
    762,842.07x = 1,052,771.25 × 423,310.32
  4. Step 4: Simplify right side
    762,842.07x = 445,648,934,724.30
  5. Step 5: Solve for x
    x = 445,648,934,724.30/762,842.07
  6. Step 6: Final answer
    x = 584,195.54

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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.