Home / 1,728,255.35-2,384,811.49-953,871.90

Finding the Fourth Proportional to 1,728,255.35, 2,384,811.49 and 953,871.90

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Solution

The fourth proportional to 1,728,255.35, 2,384,811.49 and 953,871.90 is: 1,316,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,255.35 : 2,384,811.49 = 953,871.90 : x
  2. Step 2: Convert to fraction form
    1,728,255.35/2,384,811.49 = 953,871.90/x
  3. Step 3: Cross multiply
    1,728,255.35x = 2,384,811.49 × 953,871.90
  4. Step 4: Simplify right side
    1,728,255.35x = 2,274,804,667,108.13
  5. Step 5: Solve for x
    x = 2,274,804,667,108.13/1,728,255.35
  6. Step 6: Final answer
    x = 1,316,243.38

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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.