Home / 619,706.30-929,260.26-259,780.47

Finding the Fourth Proportional to 619,706.30, 929,260.26 and 259,780.47

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Solution

The fourth proportional to 619,706.30, 929,260.26 and 259,780.47 is: 389,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,706.30 : 929,260.26 = 259,780.47 : x
  2. Step 2: Convert to fraction form
    619,706.30/929,260.26 = 259,780.47/x
  3. Step 3: Cross multiply
    619,706.30x = 929,260.26 × 259,780.47
  4. Step 4: Simplify right side
    619,706.30x = 241,403,670,233.31
  5. Step 5: Solve for x
    x = 241,403,670,233.31/619,706.30
  6. Step 6: Final answer
    x = 389,545.29

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1.5x scale

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.