Home / 706,376.40-1,059,201.72-207,675.60

Finding the Fourth Proportional to 706,376.40, 1,059,201.72 and 207,675.60

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Solution

The fourth proportional to 706,376.40, 1,059,201.72 and 207,675.60 is: 311,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,376.40 : 1,059,201.72 = 207,675.60 : x
  2. Step 2: Convert to fraction form
    706,376.40/1,059,201.72 = 207,675.60/x
  3. Step 3: Cross multiply
    706,376.40x = 1,059,201.72 × 207,675.60
  4. Step 4: Simplify right side
    706,376.40x = 219,970,352,722.03
  5. Step 5: Solve for x
    x = 219,970,352,722.03/706,376.40
  6. Step 6: Final answer
    x = 311,406.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.