Home / 1,391,612.60-2,086,760.90-539,083.56

Finding the Fourth Proportional to 1,391,612.60, 2,086,760.90 and 539,083.56

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Solution

The fourth proportional to 1,391,612.60, 2,086,760.90 and 539,083.56 is: 808,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,612.60 : 2,086,760.90 = 539,083.56 : x
  2. Step 2: Convert to fraction form
    1,391,612.60/2,086,760.90 = 539,083.56/x
  3. Step 3: Cross multiply
    1,391,612.60x = 2,086,760.90 × 539,083.56
  4. Step 4: Simplify right side
    1,391,612.60x = 1,124,938,494,840.80
  5. Step 5: Solve for x
    x = 1,124,938,494,840.80/1,391,612.60
  6. Step 6: Final answer
    x = 808,370.44

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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.