Home / 938,479.60-1,295,108.49-508,766.50

Finding the Fourth Proportional to 938,479.60, 1,295,108.49 and 508,766.50

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Solution

The fourth proportional to 938,479.60, 1,295,108.49 and 508,766.50 is: 702,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,479.60 : 1,295,108.49 = 508,766.50 : x
  2. Step 2: Convert to fraction form
    938,479.60/1,295,108.49 = 508,766.50/x
  3. Step 3: Cross multiply
    938,479.60x = 1,295,108.49 × 508,766.50
  4. Step 4: Simplify right side
    938,479.60x = 658,907,813,577.59
  5. Step 5: Solve for x
    x = 658,907,813,577.59/938,479.60
  6. Step 6: Final answer
    x = 702,101.37

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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.