Home / 939,856.26-1,297,675.67-577,765.61

Finding the Fourth Proportional to 939,856.26, 1,297,675.67 and 577,765.61

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Solution

The fourth proportional to 939,856.26, 1,297,675.67 and 577,765.61 is: 797,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.26 : 1,297,675.67 = 577,765.61 : x
  2. Step 2: Convert to fraction form
    939,856.26/1,297,675.67 = 577,765.61/x
  3. Step 3: Cross multiply
    939,856.26x = 1,297,675.67 × 577,765.61
  4. Step 4: Simplify right side
    939,856.26x = 749,752,368,571.33
  5. Step 5: Solve for x
    x = 749,752,368,571.33/939,856.26
  6. Step 6: Final answer
    x = 797,730.89

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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.