Home / 1,264,986.99-1,898,103.92-591,114.78

Finding the Fourth Proportional to 1,264,986.99, 1,898,103.92 and 591,114.78

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Solution

The fourth proportional to 1,264,986.99, 1,898,103.92 and 591,114.78 is: 886,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,986.99 : 1,898,103.92 = 591,114.78 : x
  2. Step 2: Convert to fraction form
    1,264,986.99/1,898,103.92 = 591,114.78/x
  3. Step 3: Cross multiply
    1,264,986.99x = 1,898,103.92 × 591,114.78
  4. Step 4: Simplify right side
    1,264,986.99x = 1,121,997,278,132.36
  5. Step 5: Solve for x
    x = 1,121,997,278,132.36/1,264,986.99
  6. Step 6: Final answer
    x = 886,963.49

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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.